John Legend can do know wrong.
Seriously, we don't know how the All of Me singer delivers a killer performance EVERY SINGLE TIME!
Check out the Legend's patriotic performance (above)!
"Only two of my four singles have Auto-Tune. I think it's a problem only if used as a crutch. If used tastefully, then it's really cool. It's the ear candy of the future."
- Jason DeRulo on Auto-une
[Image via WENN.]