The Grammy-winning artist, 30, joined Jimmy Fallon, 50, for an impromptu performance at the 50th Street subway station near Rockefeller Center

In her new film Babygirl, Nicole Kidman pushes the boat out. At 57, she gets on all fours, at the request of Harris Dickinson, who plays a young intern at the tech company run by her character. She laps up cream from a saucer during one of their assignations.