Christina Aguilera continues to stock up for her (still unconfirmed) visit from the stork. On Wednesday, paparazzi captured her resting her hands on her rapidly expanding tummy as she browsed the high-end offerings at tony Los Angeles baby boutique Bel Bambini. But could she be buying for two? A "reliable source" claims to the New York Daily News that the bleach-coiffed, makeup-slathered pop queen is expecting twins with husband Jordan Bratman. The double bundles of joy rumors come on the heels of an In Touch story alleging Christina has been rubbing her belly and referring to her impending delivery as Jordy, after her hubby.

Aguilera isn't the only tight-lipped big name beset by twin chatter. Jennifer Lopez has also been hit by the multiple mumblings, although it looks like she's going to have plenty of luxury items to go around, no matter how many buns are in her oven. Diddy tells Us he's "extremely happy" for his ex-girlfriend and plans to send "some expensive god-daddy presents to her baby," which means J.Lo and husband Marc Anthony should expect some diamond-encrusted diapers to arrive any day now.

Janet Jackson at the Hollywood Awards in Beverly Hills, Calif., on Oct. 22. (Sara De Boe/Retna Ltd.)

Is the pressure of having one of the most watched celebrity waistlines finally getting to Janet Jackson? According to the Chicago Sun-Times, the veteran performer acted like a high-maintenance malcontent at the Hollywood Awards Monday night. "From the moment she arrived, you could tell Janet was in a foul mood," a ceremony insider gripes to the paper. "She complained about everything. She bitched to her assistant that she didn't like the dress her stylist had selected for her to wear. She hated where she was seated. She even took issue with the fragrance one of the staff people was wearing, claiming it was 'irritating and too strong.'" Jackson was equally demanding when it came to staying hydrated. She eschewed two types of bottled water before a minion was dispatched to buy some Fiji-brand H2O, which, the singer supposedly declared, is "the only thing I will drink."

Brad Pitt: Megastar. Dad. Comedian? Angelina Jolie's just-as-pretty half tried to bring the funny at the aforementioned Hollywood Awards as he bestowed the Breakthrough Actor of the Year prize on Casey Affleck, his co-star in the well-received but little-seen "The Assassination of Jesse James" (not to mention the "Ocean's" flicks). "When my agent first asked me if I would like to present an award to Affleck, I said, 'Yeah, great! I love that guy!'" he told the crowd (via the Los Angeles Times). "And she said, 'No, it's the other one.'" Pitt also repeatedly referred to Ben's little brother as "Cassie." Ha ha?

Next: Brit Bits: Boo-Hooing, Pills & Pigheadedness?