Carrie Underwood

Carrie Underwood would not do this one thing while performing with Papa Roach.

Carrie Underwood joined in on singing nu-metal classics by Korn and Drowning Pool with an 'American Idol' contestant named Insite.

It's a country-rock collaboration for an important cause.

Check out 12 collaborations between rock and country artists that go hard, including songs by Zac Brown Band and Chris Cornell and more.

Carrie Underwood is one of us.

Her husband, however, is not into rock or metal.

The show took place in Canada.

The country/pop superstar is a genuine rocker.

Did anyone else catch it?

See who will be joining them this late summer and fall.