Some of the Best (and Worst) 2017 Celebrity Halloween Costumes

Every year, some of our favorite celebrities pull all the stops to put on a show. And we’re not talking about any of the award shows. We mean dressing up for Halloween.

Some A-listers get fully into the Halloween spirit, like Kim Kardashian or Heidi Klum, with costumes that completely transform them. Others don’t go quite as all-out, but definitely still look great. Check out some of the best and worst costumes from this year’s Halloween galas.

Imaan Hammam, Karlie Kloss and Maria Borges at the 2017 amfAR & The Naked Heart Foundation Fabulous Fund Fair on October 28, 2017 in New York City. (Kevin Tachman/amfAR2017/WireImage)

Jason Derulo (middle) poses with performers backstage at the 2017 MAXIM Halloween Party at LA Center Studios on October 21. (Rodin Eckenroth/Getty Images for MAXIM)

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Actor Bruce Willis and assistant Stephen J. Eads are seen arriving at film director M. Night Shyamalan’s Halloween party ‘Shyamaween’ on October 28, 2017. (Gilbert Carrasquillo/GC Images)

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Actor Samuel L. Jackson is seen arriving at film director M. Night Shyamalan’s Halloween party ‘Shyamaween’ on October 28, 2017. (Gilbert Carrasquillo/GC Images)

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Cindy Crawford and Rande Gerber attend Casamigos Halloween Party on October 27, 2017 in Los Angeles, California. (Michael Kovac/Getty Images for Casamigos Tequila)

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Kaia Gerber attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California. (Michael Kovac/Getty Images for Casamigos Tequila)

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Molly Sims is seen outside the Tequila Casamigos annual Halloween Bash at Tower Records on October 27, 2017 in Los Angeles, California. (Bauer-Griffin/GC Images)

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Victoria’s Secret models Josephine Skriver, Sara Sampaio, Jasmine Tookes, and Lais Ribeiro are seen in New York City on October 28, 2017. (Gotham/GC Images)

Naomi Campbell attends amfAR & The Naked Heart Foundation Fabulous Fund Fair on October 28, 2017 in New York City. (Kevin Tachman/amfAR2017/WireImage)

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Amal Clooney attends Casamigos Halloween Party on October 27, 2017 in Los Angeles, California. (Alberto E. Rodriguez/Getty Images for Casamigos Tequila)

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