What Percentage of Water Is Celery? Audra McDonald Knows and Will Sing You the Answer!

Remember that time Jimmy Fallon had Tony winner Audra McDonald sing Yahoo Answers, and it was awesome? Well, here's another installment! Fallon brought the sold gold bit to his new gig as the host of The Tonight Show, and yes, it's still brilliant. This time McDonald, who is about to return to Broadway as Billie Holiday in Lady Day at Emerson's Bar & Grill, knows all about which side of a potato chip is saltier, what to do to alleviate boredom and so much more. Watch and let her blow your mind. Enjoy!