Va-Va-Voom! The Racy New Red Carpet TrendWe've gotta give props to Jenna Dewan-Tatum, Lea Michele, Kim Kardashian and these other celebs for coming up with such creative ways to flaunt their décolletage

3 of 10

THE SIDE SHOW

Her new movie may be titled The Perks of Being a Wallflower, but that's not what we'd call Emma Watson at a screening for the film in N.Y.C., where she sizzled in a Brood mini that showed an unexpected flash of skin on the sides.