Hollywood Reporter Names 25 Most Powerful Stylists List

The go-to stylist for Hollywood’s young trendsetters, Flannery likes to take risks, which boost her clients’ visibility from up-and-coming to have-arrived. She did it for Stone at the 2011 Golden Globes when she complemented her platinum locks for The Amazing Spider-Man with a peach fitted Calvin Klein gown (“the first dress ever designed just for me,” says Stone).

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Flannery’s favorite recent moment: the plunging wine-colored chiffon custom Lanvin that Stone wore with an eagle belt to the Globes. “Much like her personality, Emma is very fun and quick-witted with fashion,” says Flannery.

The stylist put Saldana on the fashion map at the 2010 Oscars with a purple ombre, frothy-trained Givenchy; the actress then wowed at the SAGs in a white Givenchy beaded couture dress worn over a simple tank.

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“Zoe’s a fashion girl — we’ll look at something amazing and think, ‘You might be the only person who can pull that off,’ ” adds Flannery, who first apprenticed under Hill’s stylist, Andrea Lieberman, and inherited the country singer as a client when Lieberman left to start her own collection, A.L.C. Flannery, who designed a jeans collection for Genetic Denim, is styling Hill’s looks for her Australian tour and prepping Stone for 11 Spider-Man premieres. Says Stone, “You’re gonna be seeing some serious Petra Flannery busted out!”