Star Tracks - Monday, August 27, 2007

Now that she's wrapped up Major Movie Star in Louisiana, Jessica Simpson trades Army boot camp for dinner and clubbing Friday at L.A. hot spot Les Deux, where Mary-Kate Olsen and Lauren Conrad also partied.

Before publicly calling out a grade-school tormentor at Sunday's Teen Choice Awards, Jessica Alba has eyes only for sweetheart Cash Warren during a lunch-time rendezvous at a Beverly Hills café.

Back from Boston, Kate Hudson takes a walk down the aisle – of the supermarket! – and steals a kiss from new guy Dax Shepard during a grocery run to Gelson's in Pacific Palisades, Calif., on Saturday.

Kid Rock show off another side of his personality to Paris Hilton and Russell Simmons at a summer weekend soiree at the LG house in Malibu on Saturday.

After getting pulled over on her way to Las Vegas on Friday night, Britney Spears is spotted back on the town in Los Angeles on Sunday.

Zac Efron raises his fist, declaring victory for all dreamboats Sunday at FOX's 2007 Teen Choice Awards. The High School Musical 2 star (and current PEOPLE cover subject) picked up awards for best TV movie and "choice male hottie" at the Universal Ampitheatre.

Jessica Alba arrives at Sunday's Teen Choice Awards, where she was named "choice female hottie." One day prior, Alba and Cash Warren put to rest breakup rumors with a romantic dinner date in Malibu, where they were spotted kissing and holding hands, an onlooker told PEOPLE.

Nice shades! Angelina Jolie takes kids Maddox, 6, Pax, 3, and Zahara, 2 (not pictured), for a carousel ride in Central Park Saturday in New York City.

Britney Spears has a brief exchange with a Highway Patrol officer after she was pulled over Friday night on a Southern California freeway. Authorities tell PEOPLE they stopped her for driving erratically, but the pop star said she was attempting to avoid the paparazzi. CHP officers called her "cooperative" and let her go.

Cameron Diaz, who's been in New York City filming and hanging out with John Mayer, gets dressed up for a summer night on the town Thursday.

Back on her home turf after a trip to Martha's Vineyard, Reese Witherspoon

keeps fit with a quiet solo jog around her Brentwood neighborhood

Thursday.

Mischa Barton, with a twist: The actress, dressed like a school girl for her movie Assassination of a High School President, treats herself with a chocolate-dipped soft-serve cone Thursday in New York City.

After covering up for a

concert in Malaysia, Gwen Stefani – with husband Gavin Rosdale and son

Kingston, 14 months – takes her tour to Hawaii on Wednesday.

Mandy Moore grooves to her own beat during a performance at West Hollywood's House of Blues on Thursday. The singer-actress is on tour through

the fall in support of her new album, Wild Hope.

Back in the States Thursday after filming her new thriller in

Vancouver this week, busy lady Jessica Alba makes work look like a breeze

during a photo shoot on the Santa Monica Pier.

Jessica Simpson takes a break from shooting Major Movie Star Thursday in Louisiana, where the actress's costar Vivica A. Fox says she's been nothing but a team player.

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