Zooey Deschanel and Joseph Gordon-Levitt were curious about your New Year's Eve plans.
The two actors performed a duet in a video posted last week on YouTube, musically asking, "What are you doing New Year's Eve?"
She plays ukulele and he plays guitar in the two-minute video of the 1947 jazz song.
Deschanel calls her (500) Days of Summer co-star "simply the best" in a note accompanying the video.
The two actors don't reveal their New Year's Eve plans in the clip, but they will be celebrating together this year. Both are nominated for Golden Globe Awards: she for actress in a TV comedy for New Girl, and he for his lead role in the film 50/50.
