Fashion Friends: Stars and the Designers They Love

The only thing cooler than getting to wear amazing couture duds? Having the person who created those duds on speed dial. See the fashionable figures Elizabeth Olsen, Emma Stone, Cameron Diaz and more celebs are tight with

CAMERON LOVES STELLA

Paul McCartney's daughter Stella is something of a rock star in the fashion world, beloved by celebrities from Gwyneth to Rihanna. But it was Cameron Diaz who got to sport a custom eco-friendly gown to the Met Gala. "We went back and forth about the design of it," Cameron told Jimmy Fallon, "and she sends me this e-mail on Friday, like, 'Babe, your dress might be a little heavy', and I put it on … and it's 30 pounds!"