Weddings with the Biggest VIP Guest Lists

From George Clooney's Italian bash to Adam Levine's Mexican fiesta, see which star nuptials brought out a who's who of Hollywood

THEIR GUEST LIST

"Everyone we love and care about was there," Barrymore gushed of the event's attendees, including actress pals Reese Witherspoon and Cameron Diaz, Jimmy Fallon – whose wife is Barrymore's producing partner, Nancy Juvonen – and E.T. director Steven Spielberg.