VIDEO : Jack Black Joined Ellen DeGeneres for an Epic Dance Competition

Today Your source for all things celebrity and entertainment. Jack Black joined Ellen DeGeneres on her talk show Wednesday for what else? An epic dance competition. Who knew Jack could break it down like this?!  And we're talking belly dancing. The jives were all in good fun, and for a worthy cause! The Kung Fu Panda 3 actor made sure to plug his charity of choice, The United Mitochondrial Disease Foundation (UMDF).   "I'm not a good dancer, but I do have some moves.