Star Tracks: Friday, August 13, 2010

Caught in the act? Robert Pattinson covers up Thursday after scoring a little lovey-dovey face time with rumored girlfriend Kristen Stewart on the Montreal set of her new movie, On the Road.

She's taking a walk on the wild side! Britney Spears makes her way through some foliage Thursday while heading toward an L.A. recording studio. "What's uuupppp tweethearts?" she Tweeted to fans. "Spending the day in the studio recording."

Returning home to her native Brazil, Gisele Bündchen shows off her famous gams at a Pantene launch event in Sao Pãolo on Thursday.

A cozy Kate Hudson keeps a hand on her musically-inclined 6-year-old son, Ryder, after touching down at London's Heathrow Airport on Friday.

Who's Halle's new man? Though she is Berry keeps things professional, filming a snuggly scene with Olivier Martinez for their maritime thriller, Dark Tide, in Cape Town, South Africa, Thursday.

Girls' night! Gwen Stefani glams (and gams) it up Thursday for an evening out with her gal pals at Gourmet Market Patisserie in L.A.

There's no slowing them down! Bachelorette Ali Fedotowsky and her fiancé, Roberto Martinez, take their whirlwind romance to L.A. Thursday at the 10th annual Harold Pump Foundation Gala, which raised funds for cancer research.

Ditching the workout gear in favor of finer threads, Matthew McConaughey looks ready to litigate Thursday on the L.A. set of The Lincoln Lawyer.

Former costars Zach Braff and Donald Faison engage in a loving embrace at the opening of Braff's new off-Broadway play, Trust, in N.Y.C. on Thursday.

Pink is the new Chuck Bass: Ed Westwick stays in Upper East Side character Wednesday in a pastel blazer and tie after completing scenes for season 4 of Gossip Girl in N.Y.C.

Edgy rocker Adam Lambert is on-trend – right down to his green polish and sharp fedora – while arriving Thursday at the Tower Theater in Upper Darby, Penn., for a stop on his Glam Nation tour.

Though they're not engaged, Slumdog Millionaire's Dev Patel and Freida Pinto are very much a couple, taking an arm-in-arm stroll through London on Thursday.

Raise the roof! Hills star Stephanie Pratt, DJ Lance Rock and the Yo Gabba Gabba! gang celebrate the partnership between Habitat for Humanity and Home Build in Lynwood, Calif., on Thursday.

After flexing her muscles at the gym, Vanessa Hudgens exercises her spending power with a trip to the shoe department at Barneys New York in Beverly Hills on Wednesday.

Entourage star Adrian Grenier shows he's a food and coffee takeout kind of guy following a pit stop at Little Dom's in Los Feliz, Calif., on Thursday.

Michelle Williams and costar Luke Kirby see eye to eye while filming a scene Thursday for their romantic drama Take This Waltz, currently filming in Toronto, Canada.