°Christina Aguilera and Jimmy Fallon Wear Hilarious Disguises While Performing in NYC Subway Term...

°Christina Aguilera and Jimmy Fallon Wear Hilarious Disguises While Performing in NYC Subway Terminal | Entertainment Tonight GETTY Christina Aguilera, is that you. The 37-year-old "Fall in Line" singer and Jimmy Fallon went incognito for a surprise performance in a New York City subway terminal for Thursday'sTonight Show. With the band already set up, the late-night TV host arrives in disguise wearing a long-haired wig, beard, dark sunglasses and a fedora, along with a blue shirt, dark vest, jeans and boots. While he jams out on the banjo, Aguilera steps out wearing a jean and army green coat and covers her face with ...