Joe Jonas and Demi Lovato Share a Duet (VIDEO)

During the Jonas Brothers concert Sunday night in Mexico City, Joe Jonas sang a duet with his old flame and special tour guest, Demi Lovato. The song is called “Wouldn’t Change A Thing,” and it featured both of them on stage together.

The tour is on its last legs, finishing up in South America and last night was their final night in Mexico. The two previously sang the song together in March 2010 on American Idol and finally reunited again. Watch below and tell us what you think!