THE NEED FOR SPEED: Kim Kardashian, shooting a commercial for luxury car dealership Platinum Motors at a private estate in the ritzy Bel Air neighborhood of Los Angeles.
SONG AND DANCE: Gilles Marini, singing "Happy Birthday" to Cheryl Burke on the set of Dancing With the Stars when she was presented with Cold Stone Creamery cupcakes for her 25th birthday. Joining the celebration were Melissa Rycroft, Tony Dovolani, Ty Murray, Chelsie Hightower, Shawn Johnson, Kym Johnson, Lacey Schwimmer and Burke's season 7 partner Maurice Green.
HERE COMES THE SUN: Parks and Recreation star Rashida Jones, enjoying lunch at the Bagatelle Beach Club at the Gansevoort Turks & Caicos on a floating island in the middle of the pool.
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DISCOUNT SHOPPER: Neil Patrick Harris, walking out of the 40 percent sale at Barney's New York with "two huge bags of clothes."
GOT GAME: Anna Faris, Blair Underwood and Brenda Song, out with their families to support Lollipop Theater Network's First Annual Game Day, where guests enjoyed life-size interactive board games including Candy Land and Jenga.
INTIMATE INTERACTION: Joshua Jackson and Diane Kruger, late-night dining at Elixir in Vancouver.
FULL OF DOUBT: Shannen Doherty, rocking out at No Doubt's kickoff concert for their world tour at Borgata Hotel Casino & Spa in Atlantic City, N.J., where Gwen Stefani's baby boy, Zuma, stood out in the crowd, wearing big, blue headphones.
MAMA'S BOY: David Spade, taking his mom out for an early Mother's Day dinner at TAO Las Vegas before heading over to his stand-up performance at the Venetian.
GARDENING GAL: Zac Efron and gal-pal Vanessa Hudgens, shopping at Rolling Greens nursery in L.A.'s Culver City, where Hudgens bought several large ceramic pots.
NIGHT OWLS: Rihanna, hanging with Kanye West and his girlfriend Amber Rose at Underbar in NYC.
SMELL YOU: Jessica Szohr, picking up bottles of DKNY Be Delicious and Island Michael Kors Bermuda fragrances at Bloomingdale's in L.A.
DANCE CRAZE: Rosario Dawson, celebrating her 30th birthday with a Rose's Mojito-hosted party at New York's The Gates, where Salman Rushdie showed off his dance moves to Michael Jackson's "Don't Stop 'Til You Get Enough."
COMING UP
DREAM WEAVERS: Marisa Tomei, Anjelica Huston, Brett Ratner and K.D. Lang are expected tonight at the L.A. premiere of Our City Dreams, director Chiara Clemente's documentary about five women artists in New York City.
ROLE PLAY: Wanna act alongside Tom Hanks? A role in an upcoming staged reading of The Comedy of Errors at L.A.'s Geffen Playhouse on May 18 is being auctioned off on eBay. The cast also includes Rita Wilson, Christina Applegate and Martin Short, among others. Proceeds benefit Shakespeare Festival/LA.
—Additional reporting by Dahvi Shira