Star Tracks - Friday, June 8, 2007

After keeping a low profile, Mariah Carey steps back into the spotlight Thursday for the Fresh Air Fun Salute to American Heroes, held at New York's Tavern on the Green. The diva kept the fun going, later attending Kanye West's birthday bash.

Sarah Jessica Parker greets fans Thursday at a Steve amp Barry's store in New York, where her clothing line Bitten is now on sale. "You should be able to have affordable, quality fashion," the actress told PEOPLE of her fashion line.

Lindsay Lohan, who checked into rehab on Memorial Day, steps out of her Mailbu treatment center on Thursday to attend a workout session with her trainer at a local gym.

Kanye West rings in his 30th birthday a day early with just a few of his friends at a star-studded party Thursday at Louis Vuitton's Fifth Avenue store in New York. On his way into the bash, West told PEOPLE: "I'm in my 20s as we speak right now, but at midnight, I'll be 30. I'm already 30 in Japan and London and everywhere else."

Sean 'Diddy' Combs, Jay-Z and Jermaine Dupri sit back and let the good times roll while celebrating West's birthday on Thursday. Dupri gave his rapper pal a birthday shout-out to PEOPLE, saying, "30 is a big number. You only turn 30 once, so have a great 30th birthday."

Antonio Banderas, Justin Timberlake and former girlfriend Cameron Diaz share a Shrek the Third reunion at a photo call for their film in Berlin on Friday.

Still staying mum about those Lindsay Lohan knife photos, Vanessa Minnillo instead lets her fingers doing the talking as she snaps a photo of boyfriend Nick Lachey before the singer threw out the first pitch at a Cardinals-Reds game in St. Louis on Thursday.

Julianne Moore, Faith Hill and Eva Mendes bond over baubles (and a good cause) at the Cartier Celebrates Love event held at the Cartier Mansion in New York on Thursday. The women, along with five other celebs, have been named the jewelry company's new LOVECHARITY bracelet ambassadors. Their mission: to raise money for eight global charities of their choice.

Read about Cartier's Love bracelet in our Off the Rack blog.

Joining fellow country superstars Vince Gill and Alan Jackson, Carrie Underwood proves herself to be a softball sport, covering all the bases at the 17th annual City of Hope Celebrity Softball Challenge at Greer Stadium in Nashville, Tenn.

Patrick Dempsey flashes his trademark McDreamy smile on the New York set of Made of Honor on Thursday. The Grey's doc is spending his summer hiatus playing a man who falls for an engaged woman in the romantic comedy.

Ahoy, matey! Uma Thurman gets in touch with her inner Minnie pirate during a visit Thursday to the Magic Kingdom in Lake Buena Vista, Fla., where the actress is vacationing with her family.

Antonio Banderas gets a little carried away with his Shrek the Third costar Cameron Diaz during a promotional event along the Seine in Paris on Thursday. Besides enjoying a scenic boat tour, Diaz has been scoping out many of Paris' cultural offerings.

Former American Idol runner-up Katharine McPhee does her own version of musical scales while preparing for her performance at a Washington, D.C., political rally for presidential hopeful, Senator Hillary Clinton, on Wednesday.

Dancing with the Stars finalist Laila Ali and Taye Diggs, who will star in the new Grey's spinoff Private Practice, share a laugh at ESPN Magazine's Summer Fun party aboard the Lady Windridge at New York's Pier 59 on Wednesday.

Following a trip to Boston, Jennifer Garner returns to spending quality time with daughter Violet, 18 months, after a stop at a Pacific Palisades, Calif., park on Thursday.

Sting does his best air-guitar jam during a Police reunion concert in Seattle on Wednesday. A possible reason for the frontman's energized performance? Drummer Stewart Copeland's recent (good-natured) diss of the singer's performance on his Web site.