Dwayne Johnson and Kelly Clarkson shocked fans by singing.

Dwayne Johnson and Kelly Clarkson duet with a classic song by Loretta Lynn.

They covered the hit “Don’t Come Home A Drinkin" song.

Dwayne Johnson and Kelly Clarkson did it on The Kelly Clarkson Show.

On stage, The Rock surprised his fans with his “unexpected” voice.

A fan wrote on youtube “I didn’t know Johnson could sing, he sounded great,”

Another fan comments on singing more songs often!

commented another one that I’d ever seen THE ROCK duet with Kelly Clarkson.