-- Ed Westwick and Ryan Kwanten chatting with friends at the Interview Magazine dinner for The Fighter in West Hollywood.
-- Adrian Grenier getting snowboarding lessons from a friend at Hunter Mountain in Hunter, NY.
-- Donald Trump watching Jennifer Hudson, violinist Caitlin Moe and DJ Mia Moretti at the Discovery Celebration event at Mar-a-Lago in Palm Beach, FL.
-- Saturday Night Live's Abby Elliott getting ready for the Alice + Olivia fashion show in the Nintendo 3DS lounge in NYC.
PHOTOS: Stars at New York Fashion Week
-- Angelina Pivarnick shopping at Hillary Flowers Boutique in NYC with her fiance -- he proposed earlier that day.
-- Natalie Portman sharing a meal with her fiance Benjamin Millipied and Darren Aronofsky at the 21 Club in NYC.
-- Jamie Foxx shopping for new bracelets and wallet chains from Hard Core Elegance jewelry in Las Vegas.
-- Miley Cyrus and Hilary Duff hanging out backstage at the Global Action Forum gala at the Beverly Hilton in L.A.
-- Jillian Harris celebrating Charlie the Tuna's 50th birthday in NYC.
PHOTOS: Bachelor stars, then and now
-- Kevin Connolly, Evan Ross and Jason Trawick rocking out to Cee-Lo Green at DeLeon Tequila's Black Rebel Motorcycle Club in West Hollywood.
-- Chris Brown toasting with VnC Cocktails at his All-Star weekend party in L.A.
-- American idol winner Lee Dewyze performing at a bash for Grey Goose/Rock the Vote at Rockit Bar & Grill in Chicago.
-- Vanessa Minnillo and Miles Austin working out with Gunnar Peterson at the Under Armour Charged Cotton launch event in NYC.
PHOTOS: Hollywood's hottest workout spots
-- Stephanie Pratt checking out MadStone Jewelry at Townhouse Spa's Beauty Bar in NYC.
-- Jill Zarin snacking on The Biggest Loser's Simply Sensible low-cal cuisine at the Daily beauty suite in NYC.
-- Tracy Morgan, recently recovered from kidney surgery, ordering bottle of Star Vodka and closing down Chelsea Room in NYC.
-- Leonardo DiCaprio and Bar Refaeli watching Kanye West perform from the DJ booth with DJ Cassidy at a NIKE event at W Hollywood.
-- Lady Gaga dining with friends at Fornelletto in the Borgata Hotel Casino & Spa in Atlantic City after her "Monster Ball" opening night performance.
PHOTOS: Lady Gaga's wacky wardrobe
-- Fabolous drinking Ciroc at Greenhouse's NBA All-Star party, sponsored by Phiten US, at the Rolling Stone Lounge in LA.
-- Beyonce, Jay-Z, Diddy and Rihanna sitting together during the annual "Two Kings" dinner, served by Tom Collichio, at Craft in L.A.
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