Star Tracks for Wednesday, Dec. 8

Paris Hilton really does know something about The Simple Life: The heiress who hit the road in a pickup truck last TV season pumps her own gas Tuesday in Los Angeles – though in real life her transportation is a Bentley.

Jennifer Lopez makes a crowd-pleasing stop for fans Tuesday outside Paris's luxe Hotel Plaza Athenee. The actress-singer has been jet-setting across Europe (with stops in Madrid and London, too) with husband Marc Anthony to promote her upcoming album, Rebirth, due out in March.

Lindsay Lohan is a woman in action as she promotes her new album, Speak, all over New York City on Tuesday: First stop, MTV's TRL, where she took over the show's hosting duties (left). Later, an elegant Lohan attends her CD launch party at hotspot Marquee.

Alanis Morissette lets fiancé Ryan Reynolds take the spotlight Tuesday at the Hollywood premiere of his action film Blade: Trinity. Reynolds costars with Wesley Snipes and Jessica Biel as vampire slayers in the third Blade movie (which opens Wednesday).

Beyoncé Knowles and Kelly Rowland stop for photographers Monday at the opening of the Metropolitan Museum of Art's new costume exhibit, WILD: Fashion Untamed, in New York City. The exhibit traces the use of animal prints and furs in fashion, a topic the ladies know a little something about.

Mischa Barton and Serena Williams (both in Roberto Cavalli) are in fashionista heaven Monday at the gala for the Metropolitan Museum's exhibit WILD: Fashion Untamed. Italian designer Cavalli sponsored the party and seven of his creations appear on display.

Lenny Kravitz's 16-year-old daughter Zoe (wearing a dress by Cavalli, who, she says, "always hooks me up”) enjoys another perk of having a famous dad – hanging with Alicia Keys (left) at the WILD: Fashion Untamed party.

No hard feelings here as costars Dennis Quaid, Scarlett Johansson and Topher Grace reunite at the Los Angeles premiere of their comedy In Good Company. In the film (opening in limited release Dec. 29), Quaid plays a demoted exec whose younger boss (Grace) falls for his daughter (Johansson).

Hot off the press: Jude Law dons his reporter's hat Monday on the Louisiana set of All the King's Men. PEOPLE's Sexiest Man Alive plays a journalist in the 1950s drama about a Southern politician (played by Sean Penn).

Matthew Perry gets a little TLC from his fashion student girlfriend Rachel Dunn as the couple watch the action of the 15th annual Chris Evert/Bank of America Pro-Celebrity Tennis Classic in Delray Beach, Fla., on Sunday. Perry, an avid tennis player, also hit the court for the charity event, which raised $1.2 million for drug abuse prevention programs.

Anna Nicole Smith unveils more than just her new PETA (People for the Ethical Treatment of Animals) poster Tuesday in Los Angeles. The ad campaign, whose slogan is "Gentleman Prefer Fur-Free Blondes," features a sexy Smith made up to look like Marilyn Monroe in the starlet's classic 1953 movie.