Star Tracks - Thursday, April 19, 2007

01 of 15

BUSS STOP

As the newest celebrity spokesmodel for Revlon, a glamorous Jessica Alba gets some face time with a male model during a commercial shoot at a Los Angeles gas station on Wednesday.

02 of 15

NO PANTS REQUIRED?

Lindsay Lohan checks out West Hollywood hotspot Winston's on Wednesday in one cute top – and not much else. Though Lohan recently admitted that she felt safe while in rehab, she also added, "I don't know that I'm necessarily an addict."

03 of 15

BACK IN BLACK

Jennifer Garner, who celebrated her 35th birthday the previous day, kicks up her heels while hosting the Oscar de la Renta boutique opening (which benefited the EIF Women's Cancer Research Fund) in Beverly Hills on Wednesday. Garner told PEOPLE of her black Oscar de la Renta shift, "I just love the shape of it."

04 of 15

TECHNICOLOR DREAMCOAT

She may have slimmed down, but Britney Spears keeps her new figure under wraps in one colorful coat while stepping out in Los Angeles on Wednesday.

05 of 15

COOL COMPOSURE

Nick Lachey sings his heart out at the ASCAP Music Awards held in Los Angeles on Wednesday, where he was an honoree for composing his ballad "What’s Left of Me." The singer arrived at the Kodak Theatre with ladylove (and new roommate) Vanessa Minnillo in tow.

06 of 15

BOB AND WEAVE

Kelly Clarkson debuts a new hairstyle as she hits the red carpet at the ASCAP Awards. The former American Idol champ collected a trophy for writing her hit single "Because of You."

07 of 15

TRAILER PARK WORKOUT

Working out is a picnic (table) for Matthew McConaughey, who makes full use of his Malibu RV park surroundings on Wednesday to continue his daily sunning, toning and surfing regimen.

08 of 15

TRAINING DAY

Fergie works it all out Wednesday in Santa Monica – the same day the singer's pre-taped performance of her new single "Big Girls Don't Cry" aired on American Idol.

09 of 15

RUFFLED FEATHERS

Pamela Anderson sends her greetings from Russia as she leaves her Moscow hotel on Wednesday. According to the REGNUM news agency, the actress and animal rights activist is in the Russian capital to speak to the president of Rostik (KFC's Russian partner) to protest the abuse of millions of chickens.

10 of 15

BIG APPLE REUNION?

Meeting up with steady lady Kate Hudson, who is also in the Big Apple? Arriving in town earlier in the week, Owen Wilson gets ready to take a walking tour of downtown New York on Wednesday.

11 of 15

CHILD'S PLAY

With her children Leni (who turns three on May 4), Henry 1, and Johan, 5 months, in tow, Heidi Klum goes on a toy spree at a Los Angeles Target on Tuesday.

12 of 15

TATTOO HIM

Now we know how a sidelined soccer star spends his downtime! A day after helping wife Victoria celebrate her 33rd birthday in Paris, David Beckham reveals some elaborate new body art during practice with Real Madrid in the Spanish capital on Wednesday.

13 of 15

THE BIG CHILL

All is calm for Matt Damon on the London set of The Bourne Ultimatum on Tuesday. But in between takes, the gracious actor reportedly obliged eager fans with autographs and pictures.

14 of 15

LIGHTER SHADE OF PALE

Back in London for the second time in a month, Mischa Barton shows off her sunny disposition Wednesday at a promotional event for the Institute of Cancer Research and Superdrugs' "Safe" campaign, which warns against the dangers of too much sun exposure.

15 of 15

CHECK IN

With no sign of fiancée Tameka Foster, Usher makes a cool solo arrival at his New York hotel on Tuesday.