Watch: KELLY CLARKSON Covers METALLICA's 'Sad But True'

Kelly Clarkson covered METALLICA's "Sad But True" for the "Kellyoke" segment on today's episode of "The Kelly Clarkson Show".
The "American Idol" winner's piano-ballad version of the METALLICA classic came three months after actress Isla Fisher appeared on Clarkson's talk show and convinced Kelly to...