Best Songs And Surprise Cameos From The Astounding Simpsons Live Show

This weekend, the massive Hollywood Bowl was taken over by The Simpsons. And even though we didn't get to attend, we can still live vicariously through the amazing video that's leaked out. So here's our roundup of the best medleys, ballads, and powerhouse performances by surprise guests like Conan O'Brien — who sang… » 9/15/14 10:55am 9/15/14 10:55am