Cassie Scerbo and Erica Courtney host a new ultra-luxury jewelry blog launch party; Robert Redford's son James helps open his high-end art house movie theater in WeHo; Sydney Evan Jewels designer Rosanne Karmes hosts a girls-only dinner party to celebrate the brand's 10th anniversary at Scarpetta; Emile Hirsch, Jennie Garth and Shaun White hit up Milk Studios for Ford's Fusion Collective bash. Check out all the details in this bling-heavy edition of Last Night's Parties!

[Cassie Scerbo via Faye Sadou/WENN courtesy of Pivotal PR, Meagan Camper, Pete Wentz, Mazdack Rassi courtesy of Ogilvy PR]