Blake Lively: What's Her Best Look?

What was Blake Lively's best look at CinemaCon 2011? We've got two of them for you to compare and contrast from her recent appearance at the event.

Promoting The Green Lantern, the Gossip Girl actress rocked two different dresses at Big Screen Achievement Awards, held at Caesars Palace in Vegas.

It's hard to go wrong when you look like she does (and show that much leg), but from a fashion standpoint, her two selections are a bit different.

What's her best look? Vote below!

[Photos: WENN]