Parties! The style, stars and scoop from Hollywood's hottest events

Sienna Miller narrowly avoided a wardrobe malfunction when she and her newlywed co-star, Channing Tatum, arrived by boat at a London photo call for the action flick G.I. Joe. "Thank God I've got a skin-colored something underneath, otherwise I would be horribly regretting the white shirt," said Miller of her soggy trip across the Thames. "I'm soaking wet, but I did actually enjoy it."