Rascal Flatts let the Backstreet Boys lead their new collaborative version of “What Hurts the Most.” The song from the ...

The Backstreet Boys and Rascal Flatts team up for a duet of “What Hurts the Most,” sending the track to No. 1 on iTunes and ...

The 17-year-old Las Vegas local switched it up, singing a country song. It was "That's What Hurts the Most" by Rascal Flatts. The judges seemed to be impressed. Carrie Underwood even mouthed the ...

With Rascal Flatts and the Backstreet Boys finding fame during the 1990s, it seemed only fitting the groups would collaborate ...

Rascal Flatts has put a new spin on their country ballad, 'What Hurts The Most', with some help from the Backstreet Boys.

Rascal Flatts let the Backstreet Boys lead their new collaborative version of "What Hurts the Most." The song from the country trio's upcoming duets album targets fans of the boyband much more ...