1 of 16
2 of 16
She's on a mission! Devoted U.N. goodwill ambassador Angelina Jolie greets the crowd while arriving at a refugee camp Tuesday on the Libya-Tunisia border, where she urged more international aid for the refugees.
3 of 16
Sexy on the set! Leonardo DiCaprio is one cool cat Tuesday, sporting some dapper threads while filming a commercial Tuesday in Paris.
4 of 16
Who's number one? LeAnn Rimes directs her energy toward the court while watching the NCAA men's championship game alongside fiancé Eddie Cibrian on Monday in Houston.
5 of 16
The always fashionable Gwen Stefani takes her look to new heights – check out her leopard-print heels! – while grabbing a bite to eat in West Hollywood Monday.
6 of 16
7 of 16
Sarah Michelle Gellar and her precious little traveler, daughter Charlotte, 18 months, keep it moving at Los Angeles International Airport on Monday.
8 of 16
9 of 16
She may still be on the mend, but Serena Williams's body sure doesn't look it. The tennis pro shows off in a teeny bikini while hitting the beach Monday in Miami.
10 of 16
Eva Longoria weathers the unseasonal N.Y.C. chill in a deep blue shift and jewel-toned peep-toes as she arrives at the Late Show with David Letterman on Monday.
11 of 16
12 of 16
13 of 16
Dean McDermott takes the lead for wife Tori Spelling as they make their way through New York's Rockefeller Plaza on Monday – just days before the April 6th premiere of their Oxygen show, sTORIbook Weddings.
14 of 16
15 of 16
16 of 16
Robert Downey, Jr. Dons Skintight Green Onesie — See How the Stars Celebrated St. Patrick's Day
Keri Russell and Matthew Rhys Have a Date Night, Plus Demi Lovato, Kate Bosworth & More
Star Tracks: Celebs on Social