What's Her Best Side?Get your full dose of glam by checking out Julianne Hough, Gwyneth Paltrow and more stylish stars from every angle – then vote for their most flattering poses!

SIENNA MILLER

There's something so laid-back and cool about the fact that the actress wears a messy, half-up (DIY) bun with lots of face-framing pieces on a red carpet (and the red carpet for the Vanity Fair Tribeca Film Festival event no less!).