Joseph Gordon-Levitt Sings Rihanna's "Bitch Better Have My Money" with Jimmy Fallon's Ragtime Gals

Everyone knows Joseph Gordon-Levitt is the best. But if you needed further proof, look no further than this video of him singing Rihanna's "Bitch Better Have My Money" along with Jimmy Fallon and his barbershop quartet the Ragtime Gals.

Watch the hilarious Tonight Show video below.