Nicole Richie, Mindy Kaling and Samantha Ronson welcome Pressed Juicery to WeHo; cover girl Kate Beckinsale hosts a dinner at the SLS for FLAUNT; Gelila and Wolfgang Puck, Devon Aoki, Brett Ratner and more celebrate Vertu's new luxury mobile device; Justin Bieber, Jake Gyllenhaal and the Kardashians catch the final Watch The Throne concert at Staples—last night was proof L.A. is not slowing down for the holidays, get all the details in this edition of Last Night's Parties.


[Devon Aoki, Casey Gorman, Gelila Puck courtesy of Sharp Communications]