Zooey Deschanel and Joseph Gordon-Levitt Reunite for New Year’s Eve Song (Video)

On an otherwise dull post-Christmas week, the internet has acquired this little gem featuring 500 Days of Summer co-stars Zooey Deschanel and Joseph Gordon-Levitt.  The duo, who have been friends since way before their 2009 surprise hit, sang a song together called What Are You Doing New Year’s Eve?  Enjoy.