Molly Sims, Rachel Bilson
Credit: Donato Sardella/WireImage

Molly Sims, Rachel Bilson and Kate Bosworth helped celebrate the one-year anniversary of Vanessa Bruno's flagship store during a stylish dinner party at L.A.'s Lucques restaurant. Each wore a look by the designer for the celebration. Click through to see Fergie, Taylor Swift and more stars at last night's hottest events!