But why does the Suicide Squad star want to faux sing when he actually did belt out the classic? Because that's what The Rock did while grooving to Mariah in his car.
But we do know The Rock's got some singing chops. He just crooned to his newborn daughter, Jasmine, with "The Christmas Song," on Christmas Eve, to which the little girl responded by sleeping right through it.
And we can't forget that time he serenaded his horses like a boss.