The Backstreet Boys have teamed up with Rascal Flatts for a new version of their 2006 hit "What Hurts the Most," set to be released on June 6. The original song was written by Jeffrey Steele and Steve Robson, who are the only credited writers on this new collaboration. Fans can listen to the new version via a lyric video and pre-order the upcoming album "Life Is a Highway: Refueled Duets."