Alicia Keys trying Fuze Slenderize Tropical Punch at a Gotham Magazine party in NYC.
Jerry Ferrara coming out to support St. Baldrick’s Annual Fundraiser for Pediatric Cancer Research at Happy Ending Bar & Restaurant in Hollywood.
Karina Smirnoff attending the first night of UNITE hair care's presentation at BOXeight fashion week in L.A.
Michelle Obama, her daughters Sasha and Malia, and mother Marian Robinson visiting the set of Sesame Street at Kaufman Astoria Studios in the New York City borough of Queens.
Miley Cyrus eating Menchie's Cake Batter frozen yogurt in the VIP room of the L.A. American Idol set before the show's taping began.
Stephanie Pratt eating with Jonathan Cheban at The Prime Grill in NYC.
Courtney Love performing at SPIN's annual party at Stubb's BBQ in Austin.
See the day's top celeb photos
Jon Stewart drinking a Leblon Caipirinha at a party hosted by Story Pirates in NYC.
Owen Wilson sipping Jordan Cabernet Sauvignon in the Wine Room at the St. Regis Atlanta.
Jane Krakowski launching the Jergens In-The-Glow Campaign at the London Hotel in NYC.
Chris Tucker performing Michael Jackson’s “Billie Jean” on stage at Muhammad Ali’s Celebrity Fight Night in Phoenix, Arizona.
Michelle Williams and Mario Lopez kicking off Maybelline's BeSensationalandWin.com campaign in NYC.
Nicole Richie chatting with Jessica Alba at Trousdale in L.A.
Karina Smirnoff sporting a shorter hairstyle at the Fashion: Refocus event at BOXeight Studios in L.A.
Jamie-Lynn Sigler partying at the Ustream SXSW party in Austin.
Jamie Foxx dining with a group of friends and ordering a chopped salad at Hollywood eatery Kitchen 24.
Kristen Bell gushing to a friend about her upcoming wedding the Shopbop.com dinner party at the Chateau Marmont in L.A.
Russell Simmons celebrating Damon DeGraff of DGI Management's birthday at Marcony in NYC.
Anne Hathaway and two friends soaking in the sun while enjoying frozen yogurt outside the Menchie's in Sherman Oaks, Calif.
Anna Kendrick celebrating Lance Bass' assistant, Lisa Del Campo's birthday at Coco DeVille in LA.
Michelle Obama and her daughters Sasha and Malia dancing along during the encore of the play Memphis in NYC.
Gerard Butler feasting on grilled chicken quesadillas at the Hard Rock Cafe Hollywood.
Adam Carolla training for the Toyota Pro Celebrity Race at Willow Springs International Raceway in Rosamond, California.
Entourage's Rex Lee splurging on five appetizers at STK Miami Beach.
