Bryce Dallas Howard, Mandy Moore, Anna Kendrick Party Together in L.A.

USMagazine, Wednesday, March 23, 2011, 1:47pm (PDT)

-- Bryce Dallas Howard, Mandy Moore, Anna O'Reilly and Anna Kendrick celebrating Howard as the face of the Kate Spade New York campaign at Chateau Marmont in L.A.

-- Karolina Kurkova and her husband Reid riding at SoulCycle in NYC to support Japan at SoulCycle's Tuesday Ride for Relief Day.

-- Michael Douglas looking very healthy while dancing in his seat at a performance of Broadway's Memphis in NYC.

PHOTOS: Stars on Broadway

-- Martha Stewart, Steve Buscemi and NYC's Mayor Michael Bloomberg all dining at Tom Colicchio's newest restaurant, Riverpark, in NYC.

-- Lauren Conrad drinking out of a GOBIE H20 water filter bottle while exercising in L.A.

-- Real Housewives of New Jersey's Caroline Manzo showing off her new Chelsea Taylor circle stack necklace at the Robert Verdi Luxe Lounge in NYC.

-- Oscar Winner Jennifer Hudson performing a 40-minute set at Atlanta's W Hotel Midtown for Hennessy Black's V103 Soul Sessions.

-- Penn Badgley checking out the Sony Ericsson Xperia PLAY smartphone at its launch party inside the Sony Ericsson Open's official kick-off event in Miami Beach.

PHOTOS: Gossip Girl stars, then and now

-- Lacey Schwimmer picking up SHRD products at Gavert Atelier salon in Beverly Hills.

-- Padma Lakshmi walking the red carpet with gal pals Susan Sarandon and Bridget Moynahan at the Endometriosis Foundation of America's 3rd Annual Blossom Ball in NYC.

-- Lindsay Lohan taking a turn in the deejay booth while DJ Phresh looked on at SL in NYC.

-- Taylor Momsen discussing her recent career change from actress to musician backstage at CARRERA Sunglasses Escape during the Samsung Focus Concert in Austin.

PHOTOS: Gossip Girl's biggest OMG moments

-- Hilary Swank and Something Borrowed author Emily Giffin celebrating their upcoming movie with champagne and chicken satays at Pranna Restaurant in NYC.

-- Wendy Williams posing with fans and drinking champagne at a party she hosted at the Pool After Dark at Harrah's Resort in Atlantic City.

-- Prince hanging out with a female friend, listening to DJ Journey and drinking Fiji water at Stone Rose Lounge in NYC.

-- Ricky Martin walking the ROKK Vodka Blue Carpet to receive his award at the 22nd Annual GLAAD Awards at NYC's Marriott Marquis.

-- Paul Giamatti avoiding cameras during the after party for Fox Searchlight & Everest Entertainment's film Win Win at The Chelsea Room in NYC.

-- Kathy Griffin celebrating the final performance of her Broadway show, Kathy Griffin Wants a Tony, with Bethenny Frankel and Lance Bass at SD26 in NYC.

-- Demi Moore sipping on Vita Coco while celebrating Purim with Ashton Kutcher and daughter Rumer Willis at Avenue in New York.

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