Star Tracks: Friday, November 12, 2010

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.

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.

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.

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.

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.

Mark cosmetics ambassador Ashley Greene puts her freshest face forward on Thursday before the "Inside the mark Studio" event in New York City.

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.

Katie Holmes treats her braided ballerina, 4-year-old daughter Suri, to some ice cream after dance class in Los Angeles on Thursday.

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.

Also at the event: dad-to-be Orlando Bloom, who was presented a Bambi Award honoring his charitable work during the ceremony.

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.

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.

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.

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.

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.