New York City June 14, 2018 10:20 pm ‘Tonight': Christina Aguilera Busks in NYC Subway in Disguise Christina Aguilera and Jimmy Fallon put on disguises and give a surprise performance of her hit “Fighter” and Aretha Franklin’s “Think” in a New York City subway station. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis