"Weird Al" Yankovic has teamed up with Nerdist Industries to release the first music video off his new album, Mandatory Fun. Who's his first target? Pharrell's own mega-hit 'Happy.' Click 'Read More' to watch the video right now!

The hilarious video includes guest appearances by Aisha Tyler, Margaret Cho, Eric Stonestreet, Kristen Schaal, Jack Black, and some clothes you have to see to believe.