Fashionable Friends

Drew Barrymore and Cameron Diaz! Ashley Greene and Nikki Reed! See how famous BFFs stick together in style

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TAYLOR SWIFT & EMMA STONE

The country singer may be one of the busiest people around, but she still makes time to support her actress pal. She hit Stone's Easy A premiere, supported the actress's Saturday Night Live debut and said she's "really grateful" for their friendship. And the feeling is definitely mutual: "She's very cool!" Stone told PEOPLE.