The ‘Mad Men’ Cast and Crew Turn ‘Bye Bye Birdie’ Into an Orgy of Drunken Caterwauling (VIDEO)

By: Alex Blagg / April 7, 2010

Thought your last turn at the karaoke mic was embarrassing? Fear not; the cast and crew of Mad Men are here to make you feel like a veritable Pavarotti.

Jonn Hamm, Michael Gladis, January Jones and the rest of the gang recently gathered together to film themselves sucking down some brews and belting out a pitch-imperfect but thoroughly hilarious version of the classic tune “Bye Bye Birdie.”

Check out the LOL-tastic tribute below; we dare you not to sing along.