Saturday, March 14, in NYC: Rihanna in a fierce, furry outfit leaving Da Silvano restaurant… Reba McEntire at the Palace Theatre catching a performance of the "West Side Story" revival.
Sunday, March 15, in LA: Lisa Rinna and Harry Hamlin shopping at Target in Van Nuys with their two daughters.
Monday, March 16, in NYC: Liev Schreiber picking up glasses at glasses at Cohen's Optical on 50th and 3rd while filming "Salt."
VIEW THE PHOTOS: Week's Best Star Sightings, March 14 - 20, 2009
And in LA: "Entourage" stars Jeremy Piven and Gary Cole filming a scene for the upcoming season of the HBO show on the NBC lot in Burbank.
Tuesday, March 17, in LA: "Entourage" star Jerry Ferrera in West Hollywood, cruising in a silver Range Rover.
VIEW THE PHOTOS: The Latest Star Sightings
And in NYC: "Duplicity" star Julia Roberts hugging it out with an unidentified friend at the film's premiere.
And in Bochum, Germany: "Fast And Furious" stars Paul Walker, Jordana Brewster, Vin Diesel and Michelle Rodriguez in matching black and purple for the premiere of their high-octane sequel.
Wednesday, March 18, in LA: "Office" stars Jenna Fischer and John Krasinski in North Hollywood for the Academy of Television Arts and Sciences' "Inside the Office" panel discussion.
VIEW THE PHOTOS: 'I Love You, Man' LA Premiere
Thursday, March 19, in LA: Over two dozen SUVs, California Highway Patrol motorcycle officers and countless Secret Service members accompanying President Barack Obama during his visit to the NBC lot for his "Tonight Show" interview with Jay Leno… Lindsay Lohan wishing a happy birthday to makeup artist Napoleon Perdis at his Hollywood Boulevard store.
And in Washington, D.C.: Ben Affleck speaking at the Vital Voices Global Leadership Awards ceremony.
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