When it comes to post-Oscars festivities, we all know that there are three major after parties that our favorite celebs are sure to hit up over the course of the night: Vanity Fair, Governors Ball and Elton John's annual AIDS Foundation party. Once all of the gold statues have been awarded, you'll find Hollywood's elite celebrating into the wee hours of the morning. And being that we're talking about Oscar night, you'd better believe that they're partying in style. From Kate Bosworth's chic Giambattista Valli dress to Jennifer Lawrence's couture costume change, click through for our favorite Oscar after party looks.