-- Jamie-Lynn Sigler hosting the 3rd annual CLASSY Awards in San Diego.
-- Swizz Beatz spraying the crowd at NYC's Greenhouse nightclub with 30 bottles of Moet Nectar Rose.
-- Chord Overstreet watching the Jets game at The Windsor sports bar in NYC.
-- Ne-Yo and Q-Tip jumping up and down on the booths watching the fourth round knockout of the Mayweather vs. Ortiz fight at Bounce Sporting Club in NYC.
-- Cee Lo Green and Busta Rhymes catching up during Lollipop Mondays at sbe’s The Colony in Hollywood.
-- Jennifer Love Hewitt sipping on Sauza’s Emmy Awards-inspired margarita and getting pampered with Keratin Complex hair products at the Kari Feinstein Primetime Emmy Awards Style Lounge in L.A.
PHOTOS: Jennifer Love Hewitt and other curvy stars who got it right
-- Courtney Love sipping Nicolas Feuillatte champagne at the W magazine event in NYC.
-- Kyle Richards picking up a limited edition Farrah Fawcett Barbie for her daughters at the Give Back Hollywood & Farrah Fawcett Foundation Cancer Benefit sponsored by Mattel and Voli Light Vodka.
-- Socialite Tinsley Mortimer sipping Muscle Milk Light at Robert Verdi's Chic Week Retreat during fashion week in NYC.
-- Emma Roberts attending the Marchesa Spring 2012 Fashion Show wearing the new Yasmin & Jazmin Green Quartz Square Ring in NYC.
-- Kirstie Alley cheating on her diet and enjoying some chocolate dipped Baked By Melissa cupcakes at the Mercedes-Benz Star Lounge in NYC.
-- Leona Lewis and Tyson Beckford chatting it up at the Made in Africa show by ARISE at Avery Fisher Hall in NYC.
PHOTOS: Emma Roberts' red carpet evolution
-- Playboy Club's Amber Heard, Jenna Dewan and Naturi Naughton sipping on Grey Goose and sake cocktails while having dinner at Sunda in Chicago.
-- Gossip Girl's Kaylee DeFer drinking Absolut cocktails at the Romeo & Juliet Couture's Gossip Girl Collection Launch at GunBar in NYC.
-- Donald Trump Jr. singing on stage with Bret Michaels as he rocked and raised money for Eric Trump Celebrity Golf Invitational and Gala benefiting St. Jude's Children's' Hospital in Westchester, NY.
-- Gus Van Sant holding court during the Cinema Society afterparty for Restless hosted by Dior Homme at the new hotspot Electric Room of Dream Downtown in NYC.
-- Scott Disick and Kourtney Kardashian grabbing drinks at the Indashio afterparty while DJ Kalkutta spun at Griffin Nightclub in NYC.
-- Ali Fedotowsky attending the "Ladies Who Lunch" event hosted by GILT CITY and Trina Turk at the W Los Angeles-Westwood hotel.
-- Lady Gaga taking a Brilliant van in NYC.
PHOTOS: Lady Gaga's body transformation
-- Edward Norton having dinner at Marble Lane at NYC's Dream Downtown.
-- Countess LuAnn de Lesseps and Jill Zarin picking up SkinMedica products at the GBK Styling Lounge at NYC's Empire Hotel.
-- Emmy Rossum and William H. Macy enjoying Xante cocktails at the London in Hollywood.
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