Trick or Treat! See Hollywood’s Best Halloween Costumes (PHOTOS)

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Amal Clooney and Cindy Crawford
Michael Kovac/Getty Images for Casamigos Tequila

Amal Clooney (L) and Cindy Crawford attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Neilson Barnard/Getty Images for Casamigos Tequila

Kim Kardashian (L) and Jonathan Cheban attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Michael Kovac/Getty Images for Casamigos Tequila

Chord Overstreet attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Michael Kovac/Getty Images for Casamigos Tequila

Kurt Iswarienko and Shannen Doherty attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Michael Kovac/Getty Images for Casamigos Tequila

David Spade attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Michael Kovac/Getty Images for Casamigos Tequila

Derek Hough (L) and Hayley Erbert attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Michael Kovac/Getty Images for Casamigos Tequila

Richard Kind attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

Michelle Trachtenberg
Alberto E. Rodriguez/Getty Images for Casamigos Tequila

Michelle Trachtenberg attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Alberto E. Rodriguez/Getty Images for Casamigos Tequila

Molly Sims attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Alberto E. Rodriguez/Getty Images for Casamigos Tequila

Seth MacFarlane attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Alberto E. Rodriguez/Getty Images for Casamigos Tequila

Jessica Lowndes attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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Alberto E. Rodriguez/Getty Images for Casamigos Tequila

Joanna Krupa attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

Tyler Perry and Angie Beyince
Vivien Killilea/Getty Images for Ciroc

Tyler Perry and Angie Beyince attend Ciroc Kicks Off Halloween with Lenny S. & Kelly Rowland’s Costume Couture at Poppy on October 29, 2017 in Los Angeles, California.

Kelly Sawyer and Jessica Alba
Vivien Killilea/Getty Images for Ciroc

Kelly Sawyer and Jessica Alba attend Ciroc Kicks Off Halloween with Lenny S. & Kelly Rowland’s Costume Couture at Poppy on October 29, 2017 in Los Angeles, California.

Courtney Love and David Spade
Neilson Barnard/Getty Images for Casamigos Tequila

Courtney Love and David Spade attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

Glen Powell
Michael Kovac/Getty Images for Casamigos Tequila

Glen Powell attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California.

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It was a spook-tacaular night! Hollywood’s top celebs celebrated Halloween in their best costumes at George Clooney and Rande Gerber’s Casamigos Halloween Party last Friday. On Sunday, across town, at Ciroc Kicks Off Halloween with Lenny S. & Kelly Rowland’s Costume Couture at Poppy, even more A-listers stepped out in some boo-tiful costumes.

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From 'Sabrina the Teenage Witch' to 'The Addams Family,' these are some of our favorite Halloween covers.

Click through the gallery above to see what your fav celebs wore.