Rachel Bilson is a Beanie Babe

Rachel Bilson bundles herself up in a beanie, ugg boots and a hoodie while shopping for groceries in Los Angeles on Tuesday.

Last night, the former O.C. star stopped by the opening of the D&G flagship boutique on Robertson Boulevard in Beverly Hills.

Other stars stopped by the opening, including: Rumer Willis, Jessica Stroup, Nicole Richie, Lauren Conrad and Paris Hilton.