Not only have they started dating rumors -- they're straight-up feuling them!
[Image via Instagram.]
Hey! What could be better than a live performance by The Lumineers?
Ho! How about learning that Melissa Etheridge knows the song by heart?!
Ch-ch-check out the video (above) to see a perfect performance of Ho, Hey - by The Lumineers AND an audience of music legends that can't help but sing along!
It's an amazing music moment that could only happen at the Grammys!