INFphoto.com GIRL'S BEST FRIEND: Liv Tyler, walking her dog near her apartment in New York City's West Village.
LIGHTEN UP: Lindsay Lohan, getting her highlights touched up at the Neil George Salon in Beverly Hills.
THIRD WHEEL: Ashley Olsen, sitting down for a late lunch with boyfriend Justin Bartha and a friend at Serafina in New York City.
CHILDREN'S HOUR: Sean "Diddy" Combs and Zac Posen, celebrating the Sean John presentation with their mothers at the Empire Hotel rooftop in New York City.
MANE MAN: Matthew Perry, heading in for a quick trim at the Chris McMillan Salon in Beverly Hills.
DRESSED TO KILL: Elle Macpherson, carrying her son while perusing racks of dresses at Fred Segal in Santa Monica.
GETTING BIG: Chris Noth, taking an arms class at Barry’s Boot Camp in West Hollywood.
SITTING PRETTY: Kelly Rowland, drinking champagne while lounging at Nikki Beach in St. Tropez.
ALL THAT JAZZ: Mischa Barton, sipping white wine at Hollywood's Green Door during Jason Scoppa's weekly Tuesday jazz night.
RABBIT TRAIL: Helen Hunt, Judith Light and Doris Roberts, tearing up during separate performances of the play Rabbit Hole at L.A.'s Skylight Theatre.
BURGER QUEEN: Rumer Willis, grabbing a late-night bite to eat at Hollywood's 25 Degrees restaurant with a mystery skater-looking dude.
TOGETHER 4EVER: Megan Fox and Brian Austin Green, having a romantic dinner at RockSugar in Century City, Calif.
JERSEY GIRL: Audrina Patridge, eating edamame dumplings at Izakaya and then hanging out at mur.mur at the Borgata Hotel Casino and Spa in Atlantic City, N.J.
RIM SHOTS: Aaron Carter and Josh Henderson, catching flights at LAX to Norway for the Hollywood Knights celebrity charity basketball game.