Hailee Steinfeld, Julianne Hough, Eva Amurri and more join ELLE's Joe Zee for the celebration of the third season of his Sundance docu-series; Justin Timberlake, Amy Adams, and Clint Eastwood step out in Westwood for the premiere of their new film Trouble With The Curve; Bryan Greenberg, Fergie and Josh Duhamel get a first look at the exclusive CartelArt show in the Hills—we'll be back with with the scoop on last night but until then, get the full rundown on Wednesday evening's top events right now in this edition of (the night before) Last Night's Parties.

[Clint Eastwood, Amy Adams, Justin Timberlake via, Azita Ghanizada, Ashley Madekwe via]