Celebrity Star Tracks: Friday, November 12, 2010 By People Staff Published on November 12, 2010 05:00 PM Share Tweet Pin Email Trending Videos 01 of 15 KATY 'PURR'Y Fred Duval/WireImage Katy Perry unleashes her inner cat lady while introducing her new fragrance, Purr, at Selfridges department store in London. " Be there, it'll be the CAT'S MEOW," the pop star Tweeted to fans before the event. 02 of 15 PENGUIN PALS Lester Cohen/WireImage Son Bronx Mowgli isn't the only one in the family who likes stuffed animals. Ashlee Simpson and Pete Wentz cuddle up to Badtz-Maru Thursday at Sanrio's 50th anniversary event at the Barker Hanger in Santa Monica, Calif. 03 of 15 VIVA LA LOPEZ Rodrigo Varela/WireImage Jennifer Lopez holds on tight to hubby Marc Anthony as the glamorous twosome arrive at the annual Latin Grammy awards at the Mandalay Bay Events Center in Las Vegas on Thursday. 04 of 15 TINY DANCER Veronica Summers/Splash News Online Natalie Portman gets pretty in pink Thursday night at the at Audi's AFI Fest 2010 gala screening of her film Black Swan at Grauman's Chinese Theatre in L.A. 05 of 15 HOLIDAY CHEER Rick Diamond/Getty Sugarland's Jennifer Nettles and the CMA Awards' big winner Brad Paisley bring a little southern comfort to the holidays on Thursday during a taping of the CMA Country Christmas special in Nashville. The star-studded program airs Nov. 29 on ABC. 06 of 15 MAKING HER 'MARK' D. Dipasupil/FilmMagic Mark cosmetics ambassador Ashley Greene puts her freshest face forward on Thursday before the "Inside the mark Studio" event in New York City. 07 of 15 JUST DO IT Fame Cardio shopper? A Lindsay Lohan steps out of the Betty Ford Clinic (where she is currently in treatment) for some retail therapy in Rancho Mirage, Calif., on Thursday. 08 of 15 ICE, ICE, BABY X17 Katie Holmes treats her braided ballerina, 4-year-old daughter Suri, to some ice cream after dance class in Los Angeles on Thursday. 09 of 15 ALL THAT GLITTERS DPA/Zuma Sarah Jessica Parker hits the red carpet Thursday for the 62nd annual Bambi Awards in Potsdam, Germany. The fashionista served as host of the media awards ceremony. 10 of 15 STAGE PRESENCE Tobias Schwarz/Reuters/Landov Also at the event: dad-to-be Orlando Bloom, who was presented a Bambi Award honoring his charitable work during the ceremony. 11 of 15 SHEER GENIUS Ian West/Press Association Images/Abaca After debuting her glam style the day before, Emma Watson continues bewitching London fans with her new look at the world premiere of Harry Potter and the Deathly Hallows: Part 1 on Thursday. 12 of 15 THAT'S A WRAP Danny Martindale/FilmMagic Anne Hathaway stays bundled up while visiting London's Chinatown with boyfriend Adam Shulman (not pictured) Thursday night. The actress has been promoting her new film Love and Other Drugs, which hits theaters Nov. 24. 13 of 15 WORK IT National Photo Group Lauren Conrad puts the G in GTL Thursday with a jog in Brentwood, Calif. The Hills star will soon be returning to the small screen with a new MTV reality show. 14 of 15 THE WHITE STUFF Fame Snowing in November? Nope, it's just movie magic made to order for Jim Carrey as he films scenes for his latest movie, Mr. Popper's Penguins, in New York City on Thursday. 15 of 15 GOOD 'SCENTS' Sara Jaye Weiss/Startraks Smells like a winner! Jordin Sparks shares a spritz of her new fragrance, Because of You, before greeting fans at a New Jersey clothing store on Thursday. "Thanks for coming everyone!" she later Tweeted.