1Liam Payne and Maya Henry as Batman and Catwoman
Ricky Vigil M//Getty Images 2Jenna Dewan as a Unicorn
@jennadewan//InstagramJenna's *piercing* makeup look was essential to her mythical creature costume, which we're sure her daughter Everly absolutely loved.
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3Lupita Nyong'o as Dionne
Paul Bruinooge//Getty ImagesThe award-winning actress looked exactly like Stacey Dash's iconic character in the hit 1995 film Clueless.
4Joe Jonas and Sophie Turner as Gomez and Morticia Addams
@sophiet//InstagramThe newlyweds perfectly executed the "all together ooky" parents of the Addams family. They even managed to include Thing in their costume!
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5Rita Ora as Post Malone
@ritaora//InstagramPeople were shocked to see a nearly unrecognizable Rita Ora dress (tattoos and all) as fellow artist Post Malone. Now, we're just wondering how long it took to get those fake tats off her face ...
6Harry Styles as Elton John
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7Cardi B as Cruella de Vil
Shareif Ziyadat//Getty ImagesDalmatians, beware! The rapper opted for an over-the-top fur coat and Cruella de Vil's classic black and white wig for a Halloween party in 2018.
8Emily Ratajkowski as Marge Simpson
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9Sarah Hyland and Wells Adams as "Taco Belle"
Rodin Eckenroth//Getty ImagesEveryone loves a punny costume, and Sarah and Wells were there to achieve the ultimate couples get-up. She was a taco, and he was the Disney princess Belle. Together, they're the most unique Taco Bell we've ever seen.
10Neil Patrick Harris and David Burtka as Westley and Inigo Montoya
Noam Galai//Getty ImagesNeil and David were absolutely spot-on when they appeared as the two fearless adventurers from the classic film The Princess Bride.
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11Kendall Jenner as a Fembot
Kevin Mazur//Getty ImagesFeatured in 1997's Austin Powers: International Man of Mystery, Kendall made herself look almost identical to the android.
12Ciara and Russell Wilson as the 'Black Panther' Cast
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13Padma Lakshmi as Nina in 'Black Swan'
Noam Galai//Getty ImagesOne of the most popular costumes of all time is Natalie Portman's Black Swan character Nina. So, it wasn't too surprising when the model-turned-Top Chef host arrived to a Halloween party wearing this number.
14Cindy Crawford and Rande Gerber in '70s Costumes
Michael Kovac//Getty ImagesThis couple is looking groovier than ever! Channeling their inner disco queen and king, Cindy and Rande looked like they hopped out of a time machine from the 1970s.
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15Heidi Klum as an Old Lady
Cindy Ord//Getty ImagesHeidi, is that really you?! Always a Halloween icon, she wore the most convincing old lady costume the world has ever seen at her 14th annual celebration.
16Mindy Kaling as a Beekeeper
@mindykaling//InstagramHer godson dressed as a bee, so she had to do it! She claimed it "wasn't well received," but we're loving this one.
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17Tom Brady and Gisele as The Lion and Dorothy
@gisele//InstagramWho knew the lion and Dorothy had so much chemistry? Tom and Gisele had the most accurate Wizard of Oz costumes of all time.
18Katy Perry as Hillary Clinton
@katyperry//InstagramPolitical costumes were all the rage before the 2016 presidential election, but no one did it better than Katy Perry. She even had her now-fiancé Orlando Bloom dress as Donald Trump.
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19Kat Graham as The Mask
Noam Galai//Getty ImagesThere's no way you could ever guess that was the Vampire Diaries star. But it really is! The actress went all out at Heidi Klum's Halloween Party when she arrived as Jim Carrey's infamous character from The Mask.
20Beyoncé as Barbie
@beyonce//InstagramBey's a Barbie girl, in a Barbie world! The singer nailed it when she posted this image on Instagram. Her vintage costume was complete with her hubby Jay-Z dressing as Ken.

Blake Bakkila has been writing about everything from pop culture to lifestyle products for more than eight years. Her work has appeared on GoodHousekeeping.com, WhattoExpect.com, Health.com, and in the print and digital versions of Real Simple and People.

Yaa Bofah is an editorial fellow at Good Housekeeping. She is a freelance illustrator and created original cover art for The Fashion Bomb Daily’s first e-book series. She enjoys supporting philanthropic endeavors and being an advocate for the Muscular Dystrophy Association.
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