Avoiding anymore New York references, Taylor Swift dressed up as a Pegacorn from a mythical, non-NYC land.
Bad gal Riri took to her newly reinstated Instagram to show off her TMNT costume. 
Kim Kardashian transformed from a skeleton to Anna Wintour via the magic of Halloween. North also made an adorable outfit change to evoke André Leon Talley. 
Cute celebrity cat Shrampton posed as a formidable lion.
Katy Perry killed the Halloween game as a giant Cheeto. 
Beyoncé and Blue Ivy gave a flawless Jackson family tribute. 
Rita Ora, taking inspiration from Moschino's Spring runway, dressed as Barbie. 
Nicki Minaj completed her "teacher's pet" costume by wearing lingerie and holding an apple.
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Iggy Izalea and a friend both dressed as Iggy Izalea White Chicks.
Iggy Izalea and a friend both dressed as 
Halloween OG Heidi Klum was a terrifying butterfly.
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Neil Patrick Harris & Co. dressed up as the world's most adorable family.
![Screen Shot 2014-11-03 at 11.26.50 AM.png]()
Miley Cyrus paid tribute to Dolly Parton.
![Screen Shot 2014-11-03 at 11.35.52 AM.png]()
Model besties Cara Delevingne and Kendall Jenner donned Mario and Luigi costumes.
![Screen Shot 2014-11-03 at 11.58.50 AM.png]()
Kate Moss parodied Cara Delevingne (bottom right).
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And Joe Jonas taught us that there is a lot more to life than being really, really good looking.
Neil Patrick Harris & Co. dressed up as the world's most adorable family. 
Miley Cyrus paid tribute to Dolly Parton. 
Model besties Cara Delevingne and Kendall Jenner donned Mario and Luigi costumes. 
Kate Moss parodied Cara Delevingne (bottom right). 
And Joe Jonas taught us that there is a lot more to life than being really, really good looking.