Sigh. I have already, whether you decide it's The Last 5 Years or Sleeping Beauty Wakes. So I'll post one from each and you guys can decide which one you want to count. I'll post the love duet from both so the songs will even be the same.
"The Next Ten Minutes" from The Last 5 Years:
And, although "You Make Me Feel Awake" is probably more officially the love duet of SBW, I like "Drifting" so very very much. So here's that one: