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

After taking a break for a few years, Rascal Flatts proved the boys are back and better than ever with an impressive ...

Rascal Flatts have become one of the most successful ... well as crossover hits like 'Bless the Broken Road' and 'What Hurts the Most.' After their label, Lyric Street, closed in 2010, Rascal ...

It was announced today that the Backstreet Boys would be joining Rascal Flatts for a performance during the show, which comes on the heels of the ’90s boy band performing at Stagecoach and teaming up ...

It was "That's What Hurts the Most" by Rascal Flatts. The judges seemed to be impressed. Carrie Underwood even mouthed the words along with him. You can catch clips of the performance here.

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 are tied with Dave Matthews Band as the group with the most Billboard 200 No. 1 albums in the 2000s. After Lyric Street closed in 2010, the Flatts signed to Big Machine, continuing ...