The singer celebrated her award at Boa Steakhouse with Nicole Richie and a group of girlfriends.
Miss Richie stepped out in a black and white outfit, pairing an oversized t-shirt with a Winter Kate Tilda skirt.
Nicole accessorized with a Chanel bag, Christian Louboutin booties, a beanie hat, House of Harlow 1960 sunglasses and a few bracelets.