Bilson sports her engagement sparkler while grocery shopping in L.A. Plus: Robert Pattinson, Jessica Alba, Miley Cyrus and more

TAKING A STAND

From the movie set to the White House! George Clooney speaks out Monday about an issue dear to him – the crisis in Darfur – during an interview which aired on Larry King Live. Earlier, the actor, who's also a U.N. Messenger of Peace, met with Vice President Joe Biden and President Obama.