Caught in the Act

Jessica & Justin Serve Up 'Very Sweet' P.D.A. at a Dinner Party

11/21/2011 at 06:00 AM EST

• Jessica Biel didn't shirk her hosting duties, but she was plenty affectionate with Justin Timberlake at her dinner for luxe leather brand Tod's at the Chateau Marmont. The two shared food and were "very sweet" together, an onlooker says. Guests, including The Office's Mindy Kaling and Ed Helms, all enjoyed cocktails in the courtyard during their intimate dinner with 45 other diners. – Samantha McIntyre

NEXT: Jon Hamm Cozies Up to His Girlfriend – and Other Stars!