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

 photo | Britney Spears, Demi Lovato

Credit: Frank Micelotta/PictureGroup

Published: Tuesday May 15, 2012 | 05:00 PM EDT


Showing plenty of leg, Britney Spears and Demi Lovato make their first public appearance together as X Factor judges at the Fox presentation for the upcoming TV season in New York on Monday. Top scores for everyone!