Big Surprise For Commuters As Christina Aguilera Busks In NYC Subway In Disguise

Christina Aguilera donned a disguise as a busker and headed to the New York City subway with Jimmy Fallon to put on a surprise performance. From the moment she starts singing her hit song “Fighter” and Aretha Franklin’s “Think”, she attracts a big audience and big applause.

And when Fallon unveils the secret people are blown away!