Celebrity Star Tracks - Wednesday, July 25, 2007 By People Staff Published on July 25, 2007 05:10 PM Share Tweet Pin Email Trending Videos 01 of 16 THE TALENTED MR. DAMON ROBYN BECK/AFP/Getty With wife Luciana and mom Nancy looking on, Matt Damon is the latest celeb – make that number 2,343! – to get his star on the Hollywood Walk of Fame at a ceremony on Hollywood Boulevard Wednesday. 02 of 16 QUICK CHANGE ARTIST Fame Pictures; Malibu Media Continuing her habit of on-the-go outfit changes, Britney Spears makes an in-store switch from light to dark (with matching headband, natch) while visiting a trendy Hollywood boutique on Tuesday. 03 of 16 ROLE 'MODEL' Jean Baptiste Lacroix/WireImage Despite arriving 20 minutes after the party ended, Paris Hilton proves her heart is in the right place Tuesday night when she stopped by the Feed the Models, Save the World charity event (sponsored by the nonprofit Eating Disorder Information Network) at Hollywood eatery Parc. The heiress also made a recent visit to a children's hospital – all part of her post-jail promise to help others. 04 of 16 FRIENDLY DINNER LUIS & RODRIGO GUERRA/Ramey Jennifer Aniston makes a solo exit Tuesday night from New York City's Nobu restaurant after dining with pals. 05 of 16 GOOD NEWS Andy Johnstone/Pacific Coast News Clearly enjoying each other's company, Ashlee Simpson and Pete Wentz stay on top of current events after lunching at popular Beverly Hills eatery Toast on Tuesday. 06 of 16 SENSE & SENSIBILITY Roger Wong/INF Without a corset or bonnet in sight, Anne Hathaway keeps her look decidedly modern (and chic!) at the New York City premiere of Becoming Jane, a biopic about 19th century British novelist Jane Austen, Tuesday night. 07 of 16 HIS BIG REVEAL Jun Sato/WireImage It's a vintage flashback for Transformers star Josh Duhamel, who gives props to the '80s animated series during a press event for his action film at Tokyo's Park Tower Hotel on Monday. 08 of 16 NATURAL WOMAN Cousart-Ramirez-Rios/ JFX images Rihanna shows off a more natural hairstyle while out shopping for beauty supplies in Hollywood on Tuesday. 09 of 16 LIVE ACTION STAR RICH SCHMITT/AFP/Getty David Hasselhoff makes an animated appearance on the yellow carpet at the premiere of The Simpsons Movie at the Mann Village Theatre in Westwood, Calif., on Tuesday. 10 of 16 SO MONEY cpb/cnb/Finalpixx; INSET: Splash Giving a shout-out to pal Tom Cruise, Victoria Beckham dons a tank top that discreetly sports the classic Jerry Maguire phrase, "Show me the money," while out shopping with husband David and son Romeo, 4, in Beverly Hills on Monday. 11 of 16 WHITE OUT John Stanton/WireImage Continuing her Back to Basics tour, Christina Aguilera gets some sassy backup during the first of two concert performances in Sydney, Australia, on Tuesday. 12 of 16 STUCK ON HIM Brian Prahl/Splash News Online After spending some quality one-on-one time with 2-month-old son Wyatt in Italy earlier this month, Sheryl Crow makes an appearance in the Big Apple with her little guy on Tuesday. 13 of 16 ANYTHING BUT ROUTINE Ollie Martin /Splash News Online Reigning Wimbledon ladies' singles champ Venus Williams shows off her incredible reach Monday while warming up on UCLA's track. The tennis champ will soon be flexing her muscles for the U.S. Open (which she last won in 2001) next month. 14 of 16 ACCIDENTAL TURISTA? GOFF/INF Scarlett Johansson continues work on the set of an untitled Woody Allen film – this time carrying her luggage through an airport in Barcelona, Spain, on Monday. 15 of 16 URBAN JUNGLE Humberto Carreno/startraks Sienna Miller follows her animal instincts, stepping out of her New York hotel in a stylish leopard-print scarf on Tuesday. 16 of 16 TOUGH GUY Adrian Varnedoe/Pacific Coast News Brody Jenner, sporting a black sling and arm cast for his recently injured finger, doesn't let a bad break stop him from stepping out for dinner with mom Linda at L.A.'s Koi restaurant Monday night.