December 23, 2014 3:20 am Jimmy Fallon, One Direction & The Roots: “Santa Claus Is Coming To Town” One Direction stops by “The Tonight Show” Music Room to perform “Santa Claus Is Coming To Town” with Jimmy Fallon and The Roots. US & World Videos 1:35 Understanding the Biden administration's plans to reclassify marijuana 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 2:28 King Charles returns to public duties amid cancer diagnosis