The virtual concerts will support Mendes’ forthcoming LP and independent venues.
Once again, the band have pulled out all the stops and filmed the performance in their home country of Iceland.
Eilish and her brother Finneas also spoke to Fallon ahead of the performance, discussing the creative process behind the song.
Host Jimmy Fallon said, “I’m so excited to have BTS back. We just started the new season and we’re working on a lot of really exciting things."
The Australian outfit, led by Kevin Parker, were recently nominated in two categories at the Billboard Music Awards.
The country star debuted the emotional ballad for Father’s Day, ahead of his forthcoming album, ‘Born Here Live Here Die Here’.
The trio wrote the song with the prolific country hit writer Shane McAnally and Canadian country artist Madeline Merlo.
The Rolling Stones frontman stars in a “Tonight Show Starring Jimmy Fallon” PSA to help raise awareness for Save The Children.
Capaldi previously performed his global breakthrough hit, 'Someone You Loved' on 'Tonight' in October 2019.
The new song was written by Mumford in collaboration with Major Lazer and Danish pop star MØ.
K-pop icons BTS took over New York City’s Grand Central Terminal for an epic peformance for The Tonight Show Starring Jimmy Fallon.