Kristen Bell & Dave Grohl Perform ENTER SNOWMAN a Frozen/Metallica Mash Up November 1, 2017 By admin Dave Grohl of the Foo Fighters JAMS Frozen and Metallica with Kristen Bell dressed as David Letterman, hosting Jimmy Kimmel Live. Read more > about Kristen Bell & Dave Grohl Perform ENTER SNOWMAN a Frozen/Metallica Mash Up