Celebrities like George Clooney, Cindy Crawford, Heidi Klum and Sarah Michelle Gellararen't going to let the kids have all the fun on Halloween. Check out what some of Hollywood's biggest stars have dressed up as for Halloween through the years.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Ryan Lochte arrives to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Paris Hilton attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Jennifer Flavin and Sylvester Stallone attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Zach Braff arrives at the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Andy Garcia (left) and guest attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kaia Jordan Gerber and Cindy Crawford attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Harry Hamlin and Lisa Rinna arrive to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kayte Walsh and Kelsey Grammer attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth MacFarlane attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth Rogen and his wife Lauren Miller, the co-founders of Hilarity for Charity, which aims to raise awareness of Alzheimer's disease among the millennial generation, attend the organization's 5th Annual Los Angeles Variety Show: Seth Rogen's Halloween on Oct. 15, 2016, at the Hollywood Palladium in Los Angeles.
Actor Scott Eastwood dresses as his father Clint Eastwood's famous "Man with No Name" character for Hilarity for Charity's 5th Annual Los Angeles Variety Show at the Hollywood Palladium on Oct. 15, 2016, in Los Angeles.
Reality TV personality Nicole "Snooki" Polizzi, Jionni Lavalle and their family dress up as "Star Wars" characters for Halloween on Oct. 31, 2015, at a private residence in New Jersey.
Heidi Klum makes her entrance dressed as Jessica Rabbit from "Who Framed Roger Rabbit" at her 16th annual Halloween party on Oct. 31, 2015, in New York City.
Ashanti attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Jennifer Lopez attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Nicole Scherzinger attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Emily Ratajkowski attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Actress Lori Loughlin attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Holly Robinson Peete and Rodney Peete arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Comedian David Spade attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Cindy Crawford and Rande Gerber arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Actor Channing Tatum and actress Jenna Dewan attend the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Paris Hilton attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
UNICEF Ambassador Michael Sheen attends the UNICEF Halloween Ball on Oct. 29, 2015, in London, England.
Actress Niecy Nash attends Maxim magazine's Halloween party on Oct. 24, 2015, in Beverly Hills, California.
Nick Jonas attends Maxim magazine's Halloween party on Oct. 24, 2015.
Actor Dan Maurio and Oscar-winning screenwriter Diablo Cody attend the annual Playboy Mansion Halloween party on Oct. 24, 2015, in Los Angeles.
Kendrick Lamar and girlfriend Whitney Alford celebrate Halloween at the Bacardi Triangle event on Oct. 31, 2014, in Fajardo, Puerto Rico.
Heidi Klum (center) and guests attend Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Zoe Kravitz and Joe Jonas attend Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Singer Ashanti attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Actress Michelle Trachtenberg attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Ice T attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Hoda Kotb and Kathie Lee Gifford dress as Garth Algar and Wayne Campbell from "Wayne's World" at TODAY Plaza on Oct. 31, 2014, in New York City.
Director Guy Ritchie attends the UNICEF Halloween Ball on Oct. 30, 2014, in London, England.
Jenny McCarthy dresses as Sandy from "Grease" to host a Halloween costume party to celebrate the launch of her SiriusXM show "Dirty, Sexy, Funny with Jenny McCarthy" at SiriusXM Studios on Oct. 29, 2014, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Ryan Lochte arrives to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Paris Hilton attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Jennifer Flavin and Sylvester Stallone attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Zach Braff arrives at the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Andy Garcia (left) and guest attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kaia Jordan Gerber and Cindy Crawford attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Harry Hamlin and Lisa Rinna arrive to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kayte Walsh and Kelsey Grammer attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth MacFarlane attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth Rogen and his wife Lauren Miller, the co-founders of Hilarity for Charity, which aims to raise awareness of Alzheimer's disease among the millennial generation, attend the organization's 5th Annual Los Angeles Variety Show: Seth Rogen's Halloween on Oct. 15, 2016, at the Hollywood Palladium in Los Angeles.
Actor Scott Eastwood dresses as his father Clint Eastwood's famous "Man with No Name" character for Hilarity for Charity's 5th Annual Los Angeles Variety Show at the Hollywood Palladium on Oct. 15, 2016, in Los Angeles.
Reality TV personality Nicole "Snooki" Polizzi, Jionni Lavalle and their family dress up as "Star Wars" characters for Halloween on Oct. 31, 2015, at a private residence in New Jersey.
Heidi Klum makes her entrance dressed as Jessica Rabbit from "Who Framed Roger Rabbit" at her 16th annual Halloween party on Oct. 31, 2015, in New York City.
Ashanti attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Jennifer Lopez attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Nicole Scherzinger attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Emily Ratajkowski attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Actress Lori Loughlin attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Holly Robinson Peete and Rodney Peete arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Comedian David Spade attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Cindy Crawford and Rande Gerber arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Actor Channing Tatum and actress Jenna Dewan attend the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Paris Hilton attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
UNICEF Ambassador Michael Sheen attends the UNICEF Halloween Ball on Oct. 29, 2015, in London, England.
Actress Niecy Nash attends Maxim magazine's Halloween party on Oct. 24, 2015, in Beverly Hills, California.
Nick Jonas attends Maxim magazine's Halloween party on Oct. 24, 2015.
Actor Dan Maurio and Oscar-winning screenwriter Diablo Cody attend the annual Playboy Mansion Halloween party on Oct. 24, 2015, in Los Angeles.
Kendrick Lamar and girlfriend Whitney Alford celebrate Halloween at the Bacardi Triangle event on Oct. 31, 2014, in Fajardo, Puerto Rico.
Heidi Klum (center) and guests attend Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Zoe Kravitz and Joe Jonas attend Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Singer Ashanti attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Actress Michelle Trachtenberg attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Ice T attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Hoda Kotb and Kathie Lee Gifford dress as Garth Algar and Wayne Campbell from "Wayne's World" at TODAY Plaza on Oct. 31, 2014, in New York City.
Director Guy Ritchie attends the UNICEF Halloween Ball on Oct. 30, 2014, in London, England.
Jenny McCarthy dresses as Sandy from "Grease" to host a Halloween costume party to celebrate the launch of her SiriusXM show "Dirty, Sexy, Funny with Jenny McCarthy" at SiriusXM Studios on Oct. 29, 2014, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Racing driver Lewis Hamilton, comedian Trevor Noah and singer Jordyn Taylor attend Heidi Klum's 17th Annual Halloween Party on Oct. 31, 2016, in New York City.
Ryan Lochte arrives to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Paris Hilton attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Jennifer Flavin and Sylvester Stallone attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Zach Braff arrives at the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Andy Garcia (left) and guest attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kaia Jordan Gerber and Cindy Crawford attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Harry Hamlin and Lisa Rinna arrive to the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Kayte Walsh and Kelsey Grammer attend the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth MacFarlane attends the Casamigos Halloween Party on Oct. 28, 2016, in Beverly Hills.
Seth Rogen and his wife Lauren Miller, the co-founders of Hilarity for Charity, which aims to raise awareness of Alzheimer's disease among the millennial generation, attend the organization's 5th Annual Los Angeles Variety Show: Seth Rogen's Halloween on Oct. 15, 2016, at the Hollywood Palladium in Los Angeles.
Actor Scott Eastwood dresses as his father Clint Eastwood's famous "Man with No Name" character for Hilarity for Charity's 5th Annual Los Angeles Variety Show at the Hollywood Palladium on Oct. 15, 2016, in Los Angeles.
Reality TV personality Nicole "Snooki" Polizzi, Jionni Lavalle and their family dress up as "Star Wars" characters for Halloween on Oct. 31, 2015, at a private residence in New Jersey.
Heidi Klum makes her entrance dressed as Jessica Rabbit from "Who Framed Roger Rabbit" at her 16th annual Halloween party on Oct. 31, 2015, in New York City.
Ashanti attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Jennifer Lopez attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Nicole Scherzinger attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Emily Ratajkowski attends Heidi Klum's 16th annual Halloween party on Oct. 31, 2015, in New York City.
Actress Lori Loughlin attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Holly Robinson Peete and Rodney Peete arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Comedian David Spade attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Cindy Crawford and Rande Gerber arrive at the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Actor Channing Tatum and actress Jenna Dewan attend the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
Paris Hilton attends the Casamigos Tequila Halloween Party on Oct. 30, 2015, in Los Angeles.
UNICEF Ambassador Michael Sheen attends the UNICEF Halloween Ball on Oct. 29, 2015, in London, England.
Actress Niecy Nash attends Maxim magazine's Halloween party on Oct. 24, 2015, in Beverly Hills, California.
Nick Jonas attends Maxim magazine's Halloween party on Oct. 24, 2015.
Actor Dan Maurio and Oscar-winning screenwriter Diablo Cody attend the annual Playboy Mansion Halloween party on Oct. 24, 2015, in Los Angeles.
Kendrick Lamar and girlfriend Whitney Alford celebrate Halloween at the Bacardi Triangle event on Oct. 31, 2014, in Fajardo, Puerto Rico.
Heidi Klum (center) and guests attend Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Zoe Kravitz and Joe Jonas attend Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Singer Ashanti attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Actress Michelle Trachtenberg attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Ice T attends Heidi Klum's annual Halloween party on Oct. 31, 2014, in New York City.
Hoda Kotb and Kathie Lee Gifford dress as Garth Algar and Wayne Campbell from "Wayne's World" at TODAY Plaza on Oct. 31, 2014, in New York City.
Director Guy Ritchie attends the UNICEF Halloween Ball on Oct. 30, 2014, in London, England.
Jenny McCarthy dresses as Sandy from "Grease" to host a Halloween costume party to celebrate the launch of her SiriusXM show "Dirty, Sexy, Funny with Jenny McCarthy" at SiriusXM Studios on Oct. 29, 2014, in New York City.
