Celebrity Star Tracks - Monday, August 20, 2007 By People Staff Published on August 20, 2007 05:00 PM Share Tweet Pin Email Trending Videos 01 of 15 WHO'S THE MAN? Johnstone-Symons/ Pacific Coast News After the record-breaking debut of High School Musical 2, Zac Efron (with a new script in hand?) has some bargaining power during a business lunch in Los Angeles on Saturday. 02 of 15 BRITNEY WHO? Mullen/ JFX images After getting served with legal papers in pal Britney Spears's custody battle, Alli Sims chills out with a new famous friend – Paris Hilton! – during a barbeque at the heiress's Malibu beach house on Saturday. 03 of 15 HAVING A ROW Ramey She may be planning to get back to work soon – but Jennifer Aniston still makes time for fun with her friends. The actress spent Saturday paddle boarding in Hawaii with pals David and Courteney Cox Arquette and their daughter Coco, 3 (not pictured). 04 of 15 GET A LITTLE CLOSER KO/JD/Flynet No piggyback this time! Kate Hudson and new guy Dax Shepard – along with Hudson's son Ryder, 3 – continue getting cozy during a stroll through Boston on Friday. 05 of 15 RING AROUND THE RUMOR Colin Drummond-Gene Young/Splash News Online While rumors of an engagement swirl, Nicole Richie and Joel Madden take in the sights in Washington, D.C.'s Georgetown neighborhood on Friday. 06 of 15 BABE IN ARMS Mullen/ JFX images Naomi Watts keeps her son Alexander cradled close during a stop at a Brentwood, Calif., post office on Saturday. The next day, the actress and her beau Liev Schreiber hit the beach with their newborn. 07 of 15 THE DONALD'S VIEW Marion Curtis / Starpix Donald Trump and Star Jones Reynolds have a field day Saturday at the Bridgehampton Mercedes-Benz Polo Challenge in Bridgehampton, N.Y. Trump, whose Trump on the Ocean catered the affair, talked about one of his favorite subjects – The View, telling PEOPLE: "I've been in two of [Whoopi Goldberg's] movies, so I assume she likes me." 08 of 15 SHOW BOAT Pacific Coast News Angelina Jolie and Brad Pitt take their brood for a family cruise Saturday along Chicago's Lake Michigan to watch the annual Air and Water Show. 09 of 15 SWEET SUCCESS Jerry Lai/AP Smells like a hit! Gwyneth Paltrow takes great pleasure in autographing bottles of her limited-edition Estée Lauder fragrance, Pleasures Delight, at a Macy's in Chicago on Friday. 10 of 15 THE HARLEM SHUFFLE INF In the Big Apple to play a game against the New York Red Bulls, L.A. Galaxy star David Beckham takes time out for some lucky kids during a youth soccer clinic in Harlem on Friday. 11 of 15 FAN CLUB Colin Drummond/Splash News Online High School Musical 2 star Vanessa Hudgens happily signs on for an impromptu autograph session outside the New York studio of Live with Regis amp Kelly on Thursday. 12 of 15 SLEEPY RIVER Steve Connolly/startraks Well, someone has to stay awake! Keri Russell keeps slumbering 2-month-old son River close to her heart as she heads to a Manhattan park after stopping for some iced coffee on Friday. 13 of 15 HER BAG OF TRICKS Bauer-Griffin Feeling camera shy? Lily Allen has a solution: After a night of partying at London club Punk, the singer (who has plenty of downtime after postponing her U.S. concert dates) gets carried out in a large bag by a group of pals on Thursday. 14 of 15 STYLE AND GRACE Erik C. Pendzich/Rex Debra Messing (in Gaultier) is a shoo-in candidate to open Saks Fifth Avenue's new designer shoe department in New York on Friday. The former Will amp Grace star says of her own stylish John Kelsey heels, "I just felt madly in love with them last night. I got them off the new floor at Saks." 15 of 15 NICEST KID IN TOWN Bruce Glikas/FilmMagic Lance Bass shows he's the host with the most as Corny Collins during his Broadway debut in the musical Hairspray on Thursday. The former 'N Sync-er will be in the production through the new year.