Hart bumps it up at the What to Expect When You're Expecting premiere in L.A. Plus: Britney & Demi, Scarlett Johansson, Gerard Butler and more

DOWN THE AISLE

Should Ashton be worried? Donning '70s-inspired wedding attire, Mila Kunis and Clive Owen share a hearty chuckle Monday on the New York set of their crime thriller, Blood Ties.