Amazon is the ultimate one-stop-shop for absolutely everything, but it's rarely regarded as a source of cool, new fashion. Keely Murphy, a 25-year-old LA-based stylist, has embarked on a mission to change that through her Instagram @fashionsecrets93, which spotlights Amazon's hidden gems. Every week on PAPER, Murphy will curate a list of Amazon fashion secrets, all of which you can buy here. This week, she's chosen 15 Halloween costumes to try, from Paris Hilton to Guy Fieri.

Justin Bieber

Lady Marmalade

Cam'ron

Never Been Kissed

Ric Flair

Travis Scott

Brian O'Conner

Carrie Bradshaw

Photos via amazon.com

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