Photos: Celebrities in their Halloween 2018 costumes
Adam Lambert attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. Photo by: Rodin_Eckenroth
Paris Hilton attends the Casamigos Halloween Party on October 26, 2018 in Beverly Hills, California. Photo by: Michael Kovac
Shauna Robertson (L) and Edward Norton attend the Casamigos Halloween Party on October 26, 2018 in Beverly Hills, California. Photo by: Michael Kovac
Sarah Michelle Gellar attends the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California.Photo by: Matt Winkelmeyer
Kendall Jenner attends Casamigos Halloween party at CATCH Las Vegas at ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. Photo by: Bryan Steffy
Actor George Clooney speaks to an interviewer during Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada.Photo by: Gabe Ginsberg
Rande Gerber, Cindy Crawford, George Clooney and Mike Meldman attend Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. Photo by: Gabe Ginsberg
Just Jared (L) and Ireland Baldwin attend Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. Photo by: Rodin Eckenroth
Leona Lewis attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. Photo by: Rodin_Eckenroth
Singer Joey Fatone (L) receives a kiss from television personality Jonathan Scott during DJ Cassidy's performance at Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada.Photo by: Gabe Ginsberg
Evan Ross attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California.Photo by: Rodin Eckenroth
Television personality Jonathan Scott attends Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada.Photo by: Gabe Ginsberg
Chair of Fatherhood Leadership Council, GOOD+ Foundation Jerry Seinfeld attends the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California.Photo by: Emma McIntyre
Rumer Willis attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. Photo by: Rodin Eckenroth
Ike Barinholtz, Erica Hanson, Payton June Barinholtz, Foster Barinholtz attends the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California.Photo by: Matt Winkelmeyer
Aubrey Anderson-Emmons attends the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California.Photo by: Matt Winkelmeyer
(L-R) Lola Jolie Thomas, Aonika Laurent, Luc Laurent Thomas and Sean Patrick Thomas attend the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California. Photo by: Matt Winkelmeyer
(L-R) Olivia Munn, Rande Gerber and Cindy Crawford attend the Casamigos Halloween Party on October 26, 2018 in Beverly Hills, California. Photo by: Michael Kovac
(L-R) DJ Cassidy, actor J. B. Smoove and Catch Hospitality Group co-founder Mark Birnbaum attend Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. Photo by: Gabe Ginsberg
LAS VEGAS, NV - OCTOBER 27: Actor J. B. Smoove takes a selfie during DJ Cassidy's performance at Casamigos & CATCH Halloween party at CATCH Las Vegas in ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. Photo by: Gabe Ginsberg
Matthew Morrison and Renee Puente attend the 2018 GOOD+ Foundation's 3rd Annual Halloween Bash presented by Delta Air Lines and Otter Pops on October 28, 2018 in Culver City, California. Photo by: Matt Winkelmeyer