See Jimmy Fallon and Kelly Clarkson Harmonize the History of Duets

Spurred by Kelly Clarkson’s recent comments that she has been unable to find a suitable duet partner, Jimmy Fallon offered his services on last night’s The Tonight Show. Together, the couple sang a dozen duets in a four-minute mega-medley. Much like Fallon’s ongoing History of Rap series with Justin Timberlake, the late-night…