Star Tracks

updated 02/05/2007 AT 01:00 AM EST

originally published 02/05/2007 AT 01:00 AM EST

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NEW ORLEANS, JAN. 22 There's a sexy man under there somewhere! Brad Pitt goes incognito while filming the fantasy The Curious Case of Benjamin Button.

NEW ORLEANS, JAN. 23 Back from a Vietnam trip for the Maddox Jolie-Pitt Project, Angelina Jolie picks up the charity's namesake, 5-year-old son Maddox.

CANNES, FRANCE, JAN. 20 Radiant in red: Christina Aguilera (in Zac Posen) kicks up her heel at the NRJ Music Awards, where she won both international female artist of the year and international album of the year.

CENTURY CITY, CALIF., JAN. 20 Jake Gyllenhaal proves he's quite the entertainer offscreen too, scoring laughs from Tobey Maguire and fiancée Jennifer Meyer at the Producers Guild Awards.

ST. BART'S, JAN. 18 Uma Thurman (still nursing the fractured wrist she suffered in December while filming Accidental Husband) is a vision in violet during a getaway with hotelier beau André Balazs.

TOKYO, JAN. 19 A dapper Leonardo DiCaprio (who just scored a Best Actor Oscar nod) is the center of attention at the Japanese premiere of The Departed.

PARIS, JAN. 23 A posh date: Katie Holmes joins Victoria Beckham—who's moving to L.A. with her soccer star husband, David Beckham—at the opening of Giorgio Armani's new boutique.

BERKSHIRE, ENGLAND, JAN. 19 A month after graduating from Sandhurst military academy, Prince William, a member of the Blues and Royals regiment, knows the drill while running with his comrades.

MIAMI BEACH, JAN. 22 Jessica Simpson and singer John Mayer head to dinner at Nobu in the Shore Club where the couple chatted and held hands at a private table for more than two hours.

ALBERTA, CAN., JAN. 20 Christie Brinkley shows off on the slopes two days before her court hearing on temporary custody. (Regarding the supermodel's request that he help with their kids' homework, estranged husband Peter Cook quipped snidely, "Does she do it or does the nanny do it?")

LOS ANGELES, JAN. 18 At the premiere of Smokin' Aces, costars Alicia Keys and Ben Affleck come together again for the camera. On crossing over to film, Keys told PEOPLE, "It's a way to express a whole other side of myself. I love it."

NEW YORK CITY, JAN. 19 Halle Berry and Gabriel Aubry, her boyfriend of more than a year, master urban evening wear as they step out in Manhattan.

SWITZERLAND, JAN. 20 It's beautiful! James Blunt—with canine support at a Swiss ski resort—receives the ultimate alpine honor, a chairlift named after him. "He's been coming here for many, many years," says a tourism director.

CALABASAS, CALIF., JAN. 19 Putting their Wheaties to the test, Rebecca Romijn and fiancé Jerry O'Connell team up for a tandem ride.

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