Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Actors Tiffani Thiessen, Brady Smith and family dresses as flappers and sharks
The GOOD+ Foundation Halloween Bash hosted Jessica Seinfeld at Sunset Gower Studios on October 30, 2016 in Hollywood (credit: Mike Windle/Getty Images for GOOD+)
Jennifer Flavin and actor Sylvester Stallone attend the Casamigos Halloween Party
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Actor Seth Rogen shows off his Mario side
Hilarity for Charity's 5th Annual Los Angeles Variety Show on October 15, 2016 in Los Angeles (credit: Randy Shropshire/Getty Images)
Rogen does a costume change into a Simpsons character
Hilarity for Charity's 5th Annual Los Angeles Variety Show on October 15, 2016 in Los Angeles (credit: Randy Shropshire/Getty Images)
Comedian Seth MacFarlane dresses up like Oscar the Grouch
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Swimmer Ryan Lochte as The Mad Hatter
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Paris Hilton transforms into Little Red Riding Hood
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Courtney Mazza and Mario Lopez pull off the Saturday Night Fever look
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Actors Harry Hamlin and Lisa Rinna attend a Halloween party as Sonny and Cher
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Lauren Conrad poses with a friend at the Casamigos Halloween Party
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Actor Kevin Connolly dressed up as Gilligan poses with The Joker and Harley Quinn look-a-likes
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Kimberly Van Der Beek, James Van Der Beek and family get into the Halloween spirit
The GOOD+ Foundation Halloween Bash hosted Jessica Seinfeld at Sunset Gower Studios on October 30, 2016 in Hollywood (credit: Mike Windle/Getty Images for GOOD+)
TV host James Corden wears an astronaut costume for Halloween
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
Actor Ian Ziering, Erin Kristine Ludwig and family dresses as unicorns
The GOOD+ Foundation Halloween Bash hosted Jessica Seinfeld at Sunset Gower Studios on October 30, 2016 in Hollywood (credit: Mike Windle/Getty Images for GOOD+)
Model Cindy Crawford dresses up for Halloween
Casamigos Halloween Party at a private residence on October 28, 2016 in Beverly Hills (credit: Michael Kovac/Getty Images for Casamigos Tequila)
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