Watch Emma Stone's Hilarious Lip Sync Battle With Jimmy Fallon On The Tonight Show

Jimmy Fallon has invited celebrities onto his late night talk show to dazzle us with their lip syncing abilities. The key to a good lip syncing show is for the "singer" to really go for it. There can be no half way when mouthing your way through a popular song. In that respect, the funny and charming Emma Stone was perfect for this bit. She leaves nothing out on the stage as she battles Jimmy. Click To