James Corden picks up Martin on his way to his Super Bowl halftime show, and the travelers quickly busy themselves with Coldplay and David Bowie sing-alongs.
On Monday for World AIDS Day, U2 put on a surprise concert in New York's Times Square.
Because Bono was unable to perform with the band due to his recovery from a bicycling injury and surgery, Bruce Springsteen and Coldplay's Chris Martin stood in and handled the singing duties.
You may think you've heard everything you need to hear from Coldplay's upcoming album because they've released so many songs from it over the past several weeks.
The Brits came to New York and took over 'Saturday Night Live' last night, with 'The Amazing Spider-Man 2' star Andrew Garfield hosting and musical guests Coldplay.