James Corden took over as General Manager at The Forum before the iHeartRadio Jingle Ball concert and prepped Niall Horan, Ed Sheeran, Sam Smith, Demi Lovato, Liam Payne, and Taylor Swift for their shows.
Swift lost one of her back-up dancers before the show, and Corden had to quickly learn the moves for “Look What You Made Me Do.”
It'll never happen again.
Watch:
https://www.youtube.com/watch?v=vW7H-DKivX8
