Jessica Szohr Parties in Manhattan

-- Jessica Szohr hanging out at the WWD @ 100 Anniversary Party at Cipriani 42nd Street in NYC.

-- Joel McHale, on the morning of his New York Comedy Festival show at Carnegie Hall, bringing out a bottle of Macallan on the fourth hour of the Today show.

-- Colin Firth being toasted by The King's Speech director Tom Hooper at a private DeLeon Tequila sponsored lunch in the 21 Club's Harbor Room in NYC.

PHOTOS: Celebs' other favorite NYC hotspots

-- Bryan "Birdman" Williams, of Cash Money Records, sparing no expense at Lil' Wayne's official  homecoming party, hiring event planner Colin Cowie and renting out the Alfred Dupont Building in Miami.

-- Uffie performing a secret show hosted by Diesel at Don Hill's in NYC.

VIDEO: Steal your favorite Gossip Girl styles

-- B. J. Novak introducing surprise guest Bono at the Malaria No More benefit in NYC.

-- Alex Rodriguez chatting up Angie Harmon and Brooke Shields at the JW Marriott Marquis Miami Grand Opening.

-- Usher celebrating the launch of Rico Love's label, Division1, at Red The Steakhouse in Miami.

PHOTOS: Where the stars eat!

-- Mark Wahlberg testing out the new Kinect for Xbox 360 with local Boys & Girls Club members in NYC's Times Square.

-- Jake Gyllenhaal and Anne Hathaway drinking Icelandic Glacial water at the AFI after party of the movie Love and Other Drugs in L.A.

-- Ivanka Trump snapping some pics on a hot pink Sony Cyber-shot TX9 camera at the Sony Cierge-hosted holiday preview event in NYC.

-- Boys Like Girls and The Postelles rocking out to Asher Roth as he guest deejayed at Matt Levine's NYC hotspot, The Eldridge.

-- Ali Fedotowsky going darker with her hair at the Gavert Atelier salon in Beverly Hills.

PHOTOS: Find out where the stars get pampered

-- Zach Braff telling Carey Mulligan he is a big fan of hers at the AFI Festival's Sierra Mist Natural Lounge at The Hollywood Roosevelt Hotel.

-- Minnie Driver wearing J. Mendel to the premiere of Barney's Version in L.A.

-- Real Housewives of Beverly Hills star and Villa Blanca restaurant owner Lisa Vanderpump attending the TV Guide Hot List party at W Hollywood.

-- Adrian Grenier wearing his Onitsuka Tiger sneakers at a performance with the Honey Brothers in Brooklyn to support the Open Space Alliance.

-- Mary-Kate and Ashley Olsen getting their hair done at Prive in NYC.

-- Reggie Jackson chopping vegetables at the Original SoupMan's newest store in NYC.