A 500 Days Of Summer reunion just took place as Zooey Deschanel and Joseph Gordon-Levitt teamed up to perform the lovely little duet (and seasonally appropriate) “What Are You Doing New Year’s Eve?” While Zooey sounds like her usual self, Gordon-Levitt is the revelation of the clip, proving to match (or even upstage) the established musical performer in Deschanel. Check out the clip below.
