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 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 3:45 Gabrielle Union and Dwyane Wade's daughter had cutest reaction to mom's Met Gala dress 1:35 Rita Ora reveals Taika Waititi's last-minute change to her Met Gala dress: ‘Thank God'