Celebrity Star Tracks for Thursday, January 18, 2007 By People Staff Published on January 18, 2007 05:00 PM Share Tweet Pin Email Trending Videos 01 of 15 HOP ON BOARD VIPIX/Ramey Guess who plays the "hottie"? Paris Hilton gets ready for her bikini reveal on the Los Angeles set of her new comedy The Hottie and the Nottie on Wednesday. 02 of 15 HAMBURGER HEAVEN X17 How ironic: A day after estranged husband Kevin Federline played a fast-food worker in a TV commercial, Britney Spears gets a hamburger craving! The pop star, back from her weekend in Vegas, grabs a bite at Hamburger Mary's in Hollywood on Wednesday. 03 of 15 SHARE AND SHARE ALIKE Chris Wolf/FilmMagic Jessica and Ashlee Simpson take sisterly bonding to a red-hot level – wearing matching lipstick – as they grab dinner together at Los Angeles eatery Koi on Wednesday. 04 of 15 SPY GAMES RAMEY Busy working mom Jennifer Garner makes time for an Alias reunion with former costars Victor Garber and Michael Vartan over lunch at Beverly Hills eatery Orso on Wednesday. 05 of 15 HEAVY METAL Flynet America Ferrera (who received some unexpected Congressional props after her Golden Globe win) and Judith Light get behind the wheel for a bumper car showdown with newest cast member Rebecca Romijn (not pictured) while filming a scene for Ugly Betty in Santa Monica on Wednesday. 06 of 15 FAREWELL TOUR Photorazzi With wife Victoria already making the L.A. scene, future U.S. resident David Beckham still causes a stir in his current hometown of Madrid as he steps out for lunch on Wednesday. 07 of 15 BEND IT LIKE FERGIE Flynet Perhaps she's gearing up for her upcoming Super Bowl performance? Fergie shows boyfriend Josh Duhamel (not pictured) her Fergalicious form during a joint workout in Santa Monica on Wednesday. 08 of 15 WARDROBE CHECK Sara Jaye Weiss In town to promote her new horror flick The Hitcher, Sophia Bush ducks out for an afternoon shopping spree at Elie Tahari in New York on Wednesday. 09 of 15 CHECKERED PRESENT CelebrityBabylon The new "it" accessory? Tablecloth sarongs! Wrapped in a checkered cover-up, Mary-Kate Olsen is a repeat customer (or is that offender?) as she leaves West Hollywood's La Conversation after lunch on Monday. 10 of 15 DOUBLE THE FUN Matrix/Bauer-Griffin After dining with good buddies Madonna and Guy Ritchie on Monday, Gwyneth Paltrow slips out of London's Luciano restaurant ahead of husband Chris Martin. 11 of 15 OLé L.A. X17 Christina Aguilera and husband Jordan Bratman say adios as they leave Los Angeles hot spot The Spanish Kitchen (which actually serves Mexican food) on Monday. The relaxed – and tanned – Aguilera has been making the most of her evenings off before heading out on her U.S. tour Feb. 20. 12 of 15 LUCKY BREAK? Eliot Press/Bauer-Griffin An under wraps Uma Thurman doesn't let an apparent injury keep her from staying dialed in while on vacation in St. Bart's on Monday. 13 of 15 PARTY'S OVER Matrix/Bauer-Griffin With beau Pete Doherty bringing up the rear, birthday girl Kate Moss (she turned 33!) leaves a bash thrown in her honor at the London home of Clash bassist Paul Simonon on Monday. The model is godmother to two of Simonon's sons. 14 of 15 MEETING OF THE MINDS Amy Graves/WireImage. Pink has a hair-raising moment with Pretty Boys lead guitarist Hopey Rock Monday at the Los Angeles premiere of "Hello Bonjour," the group's music video which Pink directed. 15 of 15 DOWN FOR THE COUNT Peter Kramer/Getty LL Cool J shows off his good form – and his collection of bling – while promoting his fitness book LL Cool J's Platinum Workout on MTV's TRL on Wednesday.