It was a busy day for celebrities in Hollywood yesterday. First we told you about the AFI awards, and now we have the W Magazine party pictures too.
Our best dressed award for the evening goes to the star of The Hunger Games and Silver Linings Playbook for this blue body-con number.
To see who else was in attendance and what they wore, have a flick through our gallery below.
Lana Del Rey
Bradley Cooper and Eddie Redmayne
Eddie Redmayne and Sienna Miller