This fan got the ultimate stamp of approval when Miley Cyrus shared a photo of her totally on-point getup with her nearly 40 million followers.
All eyes might have been on Heidi Klum's curvalicious Jessica Rabbit costume at the "Project Runway" host's annual Halloween soiree, but model Shanina Shaik looked just like Rihanna's twin in her spot-on costume.
Two Karl Lagerfelds are definitely better than one! This silver-headed duo nailed the iconic look at the New Museum's Annual Members Halloween Party presented by Stella Artois.
YouTuber Jordyn Jones had Gigi Hadid's "Bad Blood" character Slay-Z down to the pose ... impressive!
No need to apologize for this incredible imitation of Justin Bieber's "Sorry" dance video!
This had to be done! Props to Twitter user Stephanie_mileo's mom for the breaking the Internet with this killer Kim K. Paper Mag costume.
With so many Kim K. looks to choose from, fans had a field day on Halloween. This one channeled Kim in a Yeezy Season 1-inspired ensemble.
Most people wait for Halloween to try out wild 'dos, but donning rainbow locks is part of Kylie Jenner's daily routine. How spot-on is this fan's imitation?
Talk about a throwback! Its hard to tell which "Simple Life" duo is the original.
Model Camille Rowe went for Britney's iconic "Oops I Did It Again" red bodysuit. Where can we get our hands on one of these for next year?
Nicki Minaj could not get enough of fans who dressed like her for the spooky night, and she posted a particularly accurate reproduction of the "Feeling Myself" music video with Beyoncé.
Scores of buzz-worthy music videos were released this year -- and perhaps none more talked about than Drake's "Hotline Bling." Check out this masterly counterfeit complete with the rapper's smooth moves.
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Halloween marks the perfect opportunity to step into celebrities' shoes (literally!) and this year was no exception for pop culture-crazed fans.
Dressing up on Halloween is a blast, but seeing what wild looks others opted for might be even more fun. And this year, festive fans didn't disappoint in mimicking their favorite stars -- from pasty-wearing, glitter-bombed Miley Cyruses to totally on-point "Bad Blood" characters.
The many looks of Kim Kardashian were also popular this year, and the reality star even got in on the fun, posting her costume ... as herself! The expecting mother poked fun at her widely-criticized 2013 Met Gala lk by donning the same floral dress she wore at the event.