Rihanna, Iggy Azalea, Diddy's Daughters Among Best Celebrity Costumes

Halloween 2014 featured some of the best costumes ever!

Great Halloween Costumes From Rihanna, Ashanti, Kim Kardashian, Tyga, EJ Johnson and More

We never thought we’d see Rihanna as a Teenage Mutant Ninja Turtle or Beyoncé as Frida Kahlo but it happened this year. Hit the flip to see some of your favorite celebs in their costumes!

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Rihanna and her girls went over the top to dress as the whole Teenage Mutant Ninja Turtles gang… The crew, with RihRih as Raphael hit up parties at 1Oak and Opus

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Beyoncé went as Mexican artist Frida Kahlo with Blue as Basquiat

Hov was also Basquiat and it looks like his homie Steve Stoute was an African Prince — perhaps Akeem from Zamunda — of “Coming to America” fame.

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Heidi Klum was an over the top butterfly

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Tyga was Chucky and we’re guessing Kylie Jenner is his bride

Kim K’s gang dressed up as the VOGUE magazine staff/fashion royalty Karl Lagerfeld, Grace Coddington, Anna Wintour and North as Andre Leon Talley

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She also had a second costume as a skeleton

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Tamar Braxton’s little boy Logan was an astronaut

She also dressed up at work with her co-hosts on “The Real”

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Ice T and Coco went all out as a sexy Rambo and James Brown (or is that Elvis?) for Heidi Klum’s party in NYC

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Nelly’s girl Shantel Jackson dressed up as Harley Quinn (aka a harlequin)

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Diddy’s youngest daughter Chance was Cleopatra

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His twins Jessie J and D’Lila Star were SuperGirls

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Diddy played the King of Harlem

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Kendall Jenner and Cara Delevingne dressed up as Nintendo stars Mario and Luigi

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Miguel made a crazy good Joker

His girl Nazanin was catwoman

Iggy Azalea is often mocked for looking like the characters from “White Chicks” so she had a little fun dressing up as one of them.

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Ashanti looked hot as a belly dancer

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She met up with RihRih at the club

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EJ Johnson got his Beyonce “On The Run” on…

And this was another of his costumes

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Elle Varner was a very cute Strawberry Shortcake

And her buddy Chef Roble and his friend dressed up as babies

Speaking of babies, here’s another shot of North and her cousin Penelope as little skunks

Bill Maher showed up to Adam Levine’s L.A. Halloween bash as Gandolf

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Kevin Hart’s fianceé Eniko Parrish was a very hot zebra

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Adam Lambert was a werewolf

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Terrence J and his girlfriend Nicole Isaacs went out as George Washington and Dora the Explorer

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Aubrey O’Day dressed as a peacock

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Ludacris and his girl Eudoxie were Catwoman and Bane

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Blue Ivy was the dopest MJ ever

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And Demi Lovato made a great Lucille Ball alongside a devilish JLo and Iggy Azalea!