t's been a whirlwind week for Jennifer Lopez! Days after participating in the Malibu Nautica Triathlon and throwing a surprise 40th birthday party for husband Marc Anthony in New York City, the singer hits the streets Wednesday in Saint-Tropez, France.


Mariah Carey can always count on the support of husband Nick Cannon. The attached-at-the-hip couple were spotted making a cozy exit Wednesday from Barneys New York in the Big Apple.


Denzel Washington – with an oversized poster of little Denzel behind him – is the movie star in the middle of a flock of kids Wednesday at a launch event in Washington, D.C., for the Boys & Girls Clubs of America's new Be Great campaign. The Oscar winner, who is the national spokesman and a Club alum, is encouraging people to volunteer at their local clubs.


Naomi Campbell – who recently revealed her battle with infertility – shares the catwalk Wednesday with 18-year-old American model Chanel Iman. The two hit the runway at Campbell's annual Fashion for Relief show, this year benefiting the White Ribbon Alliance (which aids pregnant women and newborns) at London's Natural History Museum.


After announcing her involvement in a new text-messaging charity campaign, Nicole Richie gets back to personal commitments Wednesday, clinging to her trusty cup of coffee as she continues her court-mandated classes at a local driving school in North Hollywood, Calif.


Is caffeine her secret weapon on the dance floor? Kim Kardashian – who has been blogging about preparing for Dancing With the Stars – gets a little pick-me-up Tuesday with a Coke Zero and some snacks from Cuvee Wine & Food in Beverly Hills.


Sporting a T-shirt covered with her name and the lyrics to her single, "Stars are Blind," Paris Hilton keeps her tan in check Wednesday with a trip to the Portofino Sun Center & Spa in Beverly Hills. Next up for the heiress: a scripted series, with Ryan Seacrest.