Rascal Flatts and Justin Bieber Have Never Sounded So — ?? [Video]Rascal Flatts and Justin Bieber Have Never Sounded So — ?? [Video]Well, you know Rascal Flatts and Justin Bieber recently teamed up for a video duet, "That Should Be Me". Well, check out this version at You Tube. Get ready to laugh. Moon MullinsMoon Mullins