Lady Gaga, Katy Perry, Rihanna and More: Halloween Costumes Inspired by Larger-Than-Life Stars

Picking the perfect Halloween costume can be daunting, can't it? Well, let us be the first to say that the easiest way to come up with an outfit is look to your favorite celebrities.

VIDEO: Get Lady Gaga's Applause look for Halloween!

These five ladies in the spotlight -- Lady Gaga, Katy Perry, Rihanna, Cara Delevingne, and Lana Del Rey -- will be easy to emulate this Halloween, whether you're a watercolor woman à la Lady Gaga or revel in retro beauty like Lana Del Rey. Plus, shop the necessities for each look below. (On Kirbie: H&M top.)

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