Updated! You can check out a deleted song from "Diva" by Brittany (Heather Morris) below! Just scroll down to the very end!
Another Kurt-Rachel duet on "Bring Him Home", hmm? Might that suggest Kurt ends up leaving when Brody moves in?
You can listen to both Kurt (Chris Colfer) and Rachel's (Lea Michele) versions of "Bring Him Home (Kurt)" - and more songs featured in season 4 episode 13 of Glee, "Diva" - below: