1. “Lucky”-[lastfm link_type="artist_info"]Jason Mraz[/lastfm] and[lastfm link_type="artist_info"] Colbie Caillat[/lastfm]
Colbie Caillat and Jason Mraz’ “Lucky” has always been one of our favorite modern duets. Even though they aren’t a couple, you can totally hear the love in their voices.
What is your favorite male/female duet? Let us know in the comments!