1 of 15
Having 15-month-old son Luca on her arm doesn't stop Hilary Duff from indulging in some shopping in Los Angeles on Monday.
2 of 15
FULL OF IT
Former Full House costars Bob Saget and John Stamos reunite under the same roof at Monday's Friars Foundation Annual Applause Awards Gala honoring Don Rickles in N.Y.C.
3 of 15
WEATHER OR NOT
Anne Hathaway has it made in the shade on the N.Y.C. set of Song One, where she takes cover from the sun on Monday.
4 of 15
He's a man of the people! Before catching a flight out of LAX with wife Luciana on Monday evening, Matt Damon stops to sign autographs for some lucky fans.
5 of 15
Alicia Keys flexes her vocal chords (and biceps!) during her "Set the World on Fire" tour stop in Paris on Monday.
6 of 15
Ouch! Actor Taylor Lautner takes great pains (literally!) to film a scene for his new movie, Tracers, in N.Y.C. on Monday.
7 of 15
A GOOD SIGN
He comes in peace! Jay-Z lets his hands do the talking en route to a charitable event at his 40/40 Club in N.Y.C. on Monday.
8 of 15
Looking good! James Franco makes a dapper departure Monday from the Four Seasons Hotel in Milan, where the Gucci spokesman attended the line's spring/summer 2014 runway show.
9 of 15
Backstreet's back! The boy banders – Kevin Richardson, A. J. McLean, Howie Dorough, Nick Carter and Brian Littrell – stay close at a suburban Philadelphia theater on Monday where they promoted their new single, "In a World Like This."
10 of 15
'LATE' NIGHT OUT
Idris Elba gives a thumbs up after an appearance Monday on the Late Show with David Letterman in New York City, where he promoted his upcoming action flick Pacific Rim, in theaters next month.
11 of 15
12 of 15
13 of 15
14 of 15
PHONE IT IN
Smile! Cameron Diaz and Game of Thrones star Nikolaj Coster-Waldau pose for a selfie while shooting scenes Monday on the New York City set of The Other Woman.
15 of 15
Also shooting selfies: Rosario Dawson, who, with costar Chris Rock, works her angles (and the crowd!) on the N.Y.C. set of their untitled film on Monday.