8 Times Jack Black was the Sing-Along King of InstagramIf you're not following Mr. Black on Instagram, you should start.
Hacker To Blame For Jack Black Death TweetsThe actor is still very much alive.
Amy Poehler and Jack Black Sing Classic Bette Midler TuneDespite the get-up and her usual comic presence, she began the song in earnest before Black joined in.
Watch Boy George and Jack Black Sing “Hello I Love You" with Robby Krieger on GuitarWhen joined Conan's band onstage, it just so happened that the Doors guitarist Robby Krieger was there ready to jump in.
Jack Black, Boy George Team Up With The Doors' Robby Krieger To Sing "Hello, I Love You"
Jack Black Talks New HBO Series 'The Brink'
Die Antwoord, Kids in the Hall, Amy Poehler Lead Tenacious D's 2015 Festival Supreme LineupAubrey Plaza, Dan Deacon and Kristen Schaal are also slated for this year's comedy and music festival mash-up.
Watch Jimmy Fallon and Jack Black Redo Extreme's 'More Than Words' Video for Some ReasonDid we just witness the origin of rock's hottest new duo, Black Fallon?
David Letterman Talks Vikings, Hobbits With Robert Plant, Jimmy Page, John Paul JonesLetterman was clearly unaware of Page and Jones' histories as session musicians before they formed Zeppelin, so Plant pointed that they'd both played on a lot of records, and joked that during that time he was working "on the blacktop" and John Bonham was stealing cars. Letterman's response: "And had you mentioned the part about stealing cars to the Kennedy Center people?"
Shirley MacLaine Disgraces Dick Clark At 'Bernie' Premiere
Happy Birthday Mr. President: George Washington Turns 278