What's (arguably) the only thing more adorable than a roomful of puppies? Jimmy Fallon convincingly miming playing the piano while dressed in satiny smoking jacket. Which is why Audra McDonald is having The Cutest Week Ever.

McDonald, who is preparing to play famed jazz singer Billie Holiday on Broadway in Lady Day at Emerson's Bar & Grill, came by Fallon's Tonight Show studio to join him in crooning a few of the toughest Yahoo! Answers questions of all time. The result is hilarious, charming, and obviously, pretty informative.

Fallon is having a Broadway-heavy first month as the host of The Tonight Show. Click here to watch him perform a kids-toy rendition of Frozen's "Let It Go" with Idina Menzel.