Joe Jonas is cool with his exes! Over the weekend, the Jonas Brothers took the stage for their Las Vegas residency at the MGM Grand Hotel and Casino and fans went wild when they heard the revamped lyric to the group’s 2009 song, “Much Better,” which was long-believed to have referenced Joe's relationship with Taylor Swift. In the song’s album version, Joe seemingly referenced Taylor with a call out to her song, “Teardrops on My Guitar.” “Get a rep for breaking hearts, now I’m done with superstars.