Alicia Keys and Beyonce Knowles take stage

Alicia Keys welcomes Beyonce Knowles as the two perform their new single, "Put It In A Love Song", at Alicia's Madison Square Garden concert on in New York City. The duo shot the video for the single in Rio de Janeiro, Brazil in early February. Other special guests at the show included Jay-Z and Alicia's BF Swizz Beatz.