Watch Dave Grohl and Kristen Bell's Frozen Metallica mash-up

In fact, the two ended up collaborating and a musical number that combined the lovely "Do You Want to Build a Snowman?" from Frozen with the iconic Metallica hit "Enter Sandman".

The Learn To Fly singer also joined Kristen Bell for a performance of Frozen and Metallica.

"If I were to jam a song with you, I would become like the coolest dad", Grohl admitted, after informing Bell that his kids were huge "Frozen" fans.

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She started the attractive song on her own, then partway through, Grohl joined on drums and the tune morphed into Metallica's "Enter Sandman".

"I'm Dave Grohl dressed as Dave Letterman sitting in for Jimmy Kimmel, it's confusing, I get it, especially if you're home watching right now stoned to the bone", the guest host said. In February 2000, Letterman underwent emergency quintuple bypass surgery following a heart attack. "Yeah, this will be my final show - it's been quite a ride". In addition, David Letterman is one of Jimmy Kimmel's biggest comedic inspirations, so the costume was really more than just a Halloween stunt and more of a tribute. After that, Grohl interviewed shock rocker Alice Cooper, who talked about his post-rehab experience with Joe Perry in manager Shep Gordon's haunted house, meeting Colonel Sanders and clearing up the chicken-killing legend, and the pre-show rituals of Peter Frampton and Roger Daltrey.

That's what happened last night however when Frozen's Kristen Bell stopped by Jimmy Kimmel Live.

  • Carlos Nash