Celebrity Star Tracks - Tuesday, January 2, 2007 By People Staff Published on January 2, 2007 05:00 PM Share Tweet Pin Email Trending Videos 01 of 13 LESSONS IN LOVE Siphiwe Sibeko/Reuters/Landov Oprah Winfrey unveils her latest project – the Oprah Winfrey Leadership Academy for Girls – in South Africa on Tuesday. The $40 million girls' school opened its doors to 152 students that were handpicked by the media mogul. "I wanted to give this opportunity to girls who had a light so bright that not even poverty could dim that light," Winfrey said at a press conference. 02 of 13 HAVING A BALL Fame Pictures Jessica Alba is already making a splash in '07! The actress, who hosted a New Year's Eve party at Setai, spends the following day playing a friendly game of catch with some guy pals on Miami Beach. 03 of 13 A WILD NIGHT LDP Images/ENEWSBUZZ After headlining Dick Clark's Rockin' Eve in Times Square, Christina Aguilera gets in some one-on-one time with husband Jordan Bratman at a bash at New York City club Stereo. 04 of 13 AFTERNOON DELIGHT Adam Nemser/PHOTOlink Jessica Simpson and John Mayer share a laugh – and some high fives – during a Saturday shopping trip to Barneys in New York. The following night, the pair rang in the New Year together at Christina Aguilera's bash at the Hudson Hotel. 05 of 13 HANG TEN Allen Kee/WireImage World Wrestling Entertainment champ John Cena gets the upper hand against Kevin Federline during their bout at the American Airlines Arena in Miami on Monday. The rapper, who already got a beatdown from Cena during their October face-off, got revenge moments later by pinning the muscle man to the mat for a three count. 06 of 13 GLAMOUR GIRL O'Neill/White/INF Who says the party has to stop after New Year's Eve? On Monday, Lindsay Lohan keeps up her energy for another night of revelry at Miami's Shore Club, where she deejayed a 20-minute set for an appreciative crowd. Later, she jetted to South Beach hot spot BED. 07 of 13 SWEET RIDE LDP Images/ENEWSBUZZ It is like thunder, lightning! Nicole Kidman and Keith Urban only have eyes for each other during a New Year's Eve spin on the Thunderbolt at a local fair outside of Sydney, where the couple have been spending the holidays together since last week. 08 of 13 BEYOND BORDERS Flynet Arriba! David Arquette and Courteney Cox get into a celebratory mood south of the border, where the couple spent New Year's Eve with friend Jennifer Aniston (not pictured) in Cabo San Lucas. 09 of 13 VEGAS, BABY! Flynet Nicole Richie and new beau Joel Madden stay connected at Ghostbar at The Palms in Las Vegas, where they took in the fireworks from the club's balcony during a New Year's Eve celebration. Love is in the air for the Madden brothers: Benji Madden proposed to his Australian actress girlfriend Sophie Monk on Christmas Eve, PEOPLE confirms. 10 of 13 HEAVY LIFTING Limelight Pictures Heater, check: Despite the mellow L.A. weather, Halle Berry makes sure to stay toasty while running errands on New Year's Eve day. 11 of 13 LIFE'S A BEACH INF Penélope Cruz shows she has all the right curves while on vacation in St. Bart's on Sunday. The actress – who's gotten raves for her performance in the Pedro Almodévar film Volver – reportedly traveled to the West Indian island with family members. 12 of 13 EYE SPY INF A bespectacled Renée Zellweger has a clear perspective on some good reading material during a stop at Barnes amp Noble in Los Angeles on Sunday. 13 of 13 SHOW AND TELL Will Binns/Pacific Coast News Look, Mom! Meg Ryan and daughter Daisy (whom the actress adopted last January) ring in the New Year with a Hawaiian getaway in Maui on Monday.