Olivia Munn, Eva Longoria, Jaime King and more party with Juicy Couture and Vanity Fair; Janina Gavankar, Rachel McDowall and other nominees are recognized at the 6th Annual Toscar Awards; Anne Hathaway, Joel McHale, Steve Martin and a fashionable swarm of A-Listers strut their stuff at the 15th Annual Costume Designers Guild Awards; Mila Kunis is feted as the new brand ambassador for Gemfields; Kirsten Dunst, Kate Walsh, Drew Barrymore, Julianne Moore and many others shine at the celebration of BVLGARI's Elizabeth Taylor jewelry collection; Chloe Moretz, Freida Pinto, Trey Smith and young Hollywood stars party at the Vanity Fair Campaign Hollywood 2013 D.J. Night—get the rundown on Monday and Tuesday's top events around town in this edition of Last Night's Parties.