Christina Aguilera and Jimmy Fallon Go Subway Busking in Disguise, Fooling No One

Christina Aguilera and Jimmy Fallon Go Subway Busking in Disguise, Fooling No One Updated 06.15.2018. Commuters passing through New York City’s Rockefeller Center subway station on Thursday were treated to a special concert from Christina Aguilera and Jimmy Fallon. The Grammy winning singer, 37, and comedian, 43, put on disguises and went undercover for the performance — which