Tagline: "You should know up front that this is not a love story."

Translation: Then why does this trailer make us beam with happiness?

The Verdict: Marc Webb's 500 Days of Summer came out of this year's Sundance Film Festival with a significant amount of buzz. Not only did the mini-major studio with the Midas touch (Fox Searchlight) pick it up, but our own Logan Hill and Bilge Ebiri thought it was one of the fifteen best entries during this extraordinarily strong fest. And now that we've seen a full trailer, which includes Zooey Deschanel singing a few lines of "There Is a Light That Never Goes Out" to JoGo Levitt, we're already scouring Fandango in search of the date that prerelease tickets go on sale. We just hope it doesn't ruin Regina Spektor's "Us" the way that Garden State ruined "New Slang."

Must Watch: Trailer for Marc Webb's 500 Days of Summer! [First Showing]