• BFFs Taylor Swift and Kellie Pickler, whispering and giggling during Carrie Underwood‘s sold-out show at Nashville’s Sommet Center. Pickler – who was also joined by Katharine McPhee – at one point playfully leaned over and tugged Swift’s hair. Later she headed to the show’s afterparty and snacked on chips and signed autographs for teen fans as Underwood worked the room.
• Christina Aguilera and husband Jordan Bratman, showing off pictures of son Max on their phone during producer Jennifer Klein‘s holiday party at her L.A. home. Otherwise, the couple spent most of their night cuddling on the couch and talking with friends like Justin Timberlake. Other party guests, including Kate Hudson and Jenny McCarthy, got chatty at the intimate, Kahléa-hosted bash, snacking on sweets and sipping cocktails.
• With High School Musical 3: Senior Year behind her, Ashley Tisdale is taking some time to relax. The starlet and musician boyfriend Jared Murillo checked into the Plaza Hotel in downtown San Diego with Tisdale’s family. “They’re just having a nice family vacation,” a source tells us.
• Nick Lachey, enjoying a guys’ night out at Whiskey Blue at the W Hotel in Los Angeles with a male pal. The two drank Sierra Nevada beers for a few hours in the lounge area. “He was looking good and relaxed,” says a fellow patron. “[He] was really casual and low-key.”
• Sacha Baron Cohen and Isla Fisher, brunching with baby Olive, 13 months, at Freemans in New York. The family ate in a semi-private nook, and the funnyman sported a full beard and military-inspired bomber jacket. When they finished, Fisher carried Olive while he wheeled out the stroller.
• 30 Rock‘s Jane Krakowski, dining at the Palm in New York’s Tribeca neighborhood, where she sat in a booth beneath her own caricature! “She loved her picture and couldn’t believe how lifelike it was,” an eyewitness tells us. The actress posed next to her likeness while her mom took a picture of her with her iPhone.
• By REAGAN ALEXANDER, MARK DAGOSTINO, JENNIFER GARCIA, EILEEN FINAN and MARY MARGARET
Want to see where the celebrity action goes down? Tour all the Celebrity Hot Spots.