People.com Celebrity Star Tracks - Saturday, December 8, 2007 By People Staff Published on December 10, 2007 12:10 PM Share Tweet Pin Email 01 of 15 SOMETHING'S BREWING Vickers-Seligman/Splash News Online Hilary Duff stays dialed in while carrying her morning pick-me-up out of a Los Angeles Starbucks on Sunday. 02 of 15 HOME SWEET HOME After lifting a lighter from a gas station on Friday, Britney Spears (with a lighter in hand!) arrives at her home away from home – the Four Seasons Hotel in Beverly Hills – late Saturday night. 03 of 15 GETTING PERSONAL Jason Reed/Reuters Oprah Winfrey hits the campaign trail to lend her support to presidential candidate Sen. Barack Obama at a rally in Des Moines, Iowa on Saturday. "I'm here because of my personal conviction about Barack Obama and what I know he can do for America," she said in a speech. 04 of 15 BOXED IN Jae C. Hong/ AP After helping out in New Orleans, Brad Pitt poses for a picture with partner Angelina Jolie in Las Vegas, where the couple watched Floyd Mayweather Jr. defeat Ricky Hatton for the WBC welterweight boxing title at the MGM Grand on Saturday. 05 of 15 PARKA AVENUE James Devaney/WireImage Madonna stays bundled up during a walk around New York on Sunday. While in the Big Apple, the singer helped husband Guy Ritchie promote his new movie Revolver. 06 of 15 GAME OF LOVE Gamepiks Jessica Alba and beau Cash Warren make courtship a true sport on Sunday while taking in the Lakers game at the Staples Center in Los Angeles. 07 of 15 TAKING THE CAKE Seth Browarnik/WireImage Jude Law, who turns 35 on Dec. 29, celebrates his birthday a little early during a party at LAX nightclub in Las Vegas on Saturday. 08 of 15 SHOPPING & SMILING Bret Thompsett/Pacific Coast News Mom-to-be Nicole Richie opts for a splash of red as she takes a trip to Ralphs supermarket in Glendale, Calif., for some supplies. 09 of 15 WHAT'S IN THE BAG, MOM? Michael Anthony/Pacific Coast News Suri Cruise gets a lift from mom Katie Holmes Friday at the Grove shopping center in Hollywood, where they picked up a bag of goodies at Pottery Barn Kids. 10 of 15 IN THE RED Buhl-Johnstone/ Pacific Coast News Named one of Barbara Walters's 10 Most Fascinating People, Katherine Heigl certainly looks like a bright standout while running errands in Sherman Oaks, Calif., on Thursday. 11 of 15 BEST IN SHOW Most Wanted/Flynet George Clooney, who took top acting honors from the National Board of Review, gets his motor running on his Triumph two-wheeler after an appointment in Studio City, Calif., on Thursday. 12 of 15 ELEGANT EATS Pacific Coast News It's a bow-tie affair! Eva Mendes, who bared all for a new PETA campaign, makes a more demure statement for a dinner date at The Waverly Inn in New York City on Thursday. 13 of 15 SPIRITED GATHERING After some South of the border fun with girlfriend Karina Smirnoff, Mario Lopez catches up with fellow Dancing with the Stars alum Stacy Keibler Thursday at the Heineken USC Music Video Launch Party at the Paley Center in Beverly Hills. 14 of 15 SOLITARY ASSIGNMENT WENN The newly single Lindsay Lohan picks up a cold treat at a Coffee Bean amp Tea Leaf in West Hollywood on Friday. 15 of 15 CAPED CRUSADER Maryannakis / Mitchell / Splash News Online It's one way to brave the New York City winter! Rosario Dawson keeps it all under wraps on her way to CNN's Heroes: An All-Star Tribute at the American Museum of Natural History on Thursday.