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LeBron James was terrifying in 2017 as an extra tall Pennywise.

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Emily Ratajkowski painted herself yellow to be Marge Simpson in 2015.

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Chrissy Teigen and John Legend went all out as Queen Elizabeth II and Prince Philip for Halloween 2018.

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Rita Ora was almost unrecognizable as Post Malone in 2018.

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Ciara and Russell Wilson paid homage to the “Apeshit” music video with these Beyoncé and Jay Z costumes in 2019.

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Dylan Sprouse bore a striking resemblance to Fabio post-goose attack for Halloween 2017.

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Gigi Hadid went for a high-fashion interpretation of Jim Carrey’s The Mask for Kendall Jenner’s 2019 Halloween party.

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In 2016, Katy Perry took on the then-timely Hillary Clinton.

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Based on her own song "Truth Hurts," Lizzo cleverly dressed up as a DNA test last year for Halloween.

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Zoe Kravitz somehow still looked chic as a vampire at breakfast time.

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Gabrielle Union-Wade and Dwyane Wade went old school in 2017 as R&B duo Milli Vanilli.

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Nina Dobrev went as Billie Eilish, green roots and all, for last year’s Casamigos Halloween party in Beverly Hills.

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Kevin Hart trolled The Rock with this throwback costume last year.

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Neil Patrick Harris and David Burtka channeled The Princess Bride with these Westley and Inigo Montoya costumes.

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Jessica Biel and Justin Timberlake transformed into a family of Trolls.

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Jessica Alba and her best friend Kelly Sawyer killed it as Romy and Michele in 2015.

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Beyoncé looked flawless as a Barbie doll in 2016.

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Rihanna dressed up as a Teenage Mutant Ninja Turtle in New York in 2014.

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Wiz Khalifa wore a Buzz Lightyear costume in L.A. for Halloween in 2018.

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Joe Jonas channeled Derek Zoolander for a Halloween party in 2014.

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