The performance was filmed earlier this year at Radio City Music Hall.
Eilish and her brother Finneas took to the desert for an exclusive acoustic performance.
The band announced their participation in the program via social media earlier today.
The Grammy Award-nominee will perform her moving track ‘Black Like Me.’
Brandon Flowers channeled his inner Springsteen on ‘The Late Show with Stephen Colbert’.
The ‘Late Show’ bandleader and activist is joined by New Orleans’ St. Augustine High School Marching 100 and the Gospel Soul Children on the poignant title track from his forthcoming album.
The legendary artist sang the classic Beach Boys tune at his piano for ‘The Late Show With Stephen Colbert’.
The artist performed the timely song from her home on “The Late Show With Stephen Colbert”.
The track is part of Hunt's domination of Billboard's country sales and airplay charts.
The group played up their moptop looks and echoed the Liverpool quartet's famous appearance on the show hosted by Sullivan himself in 1964.
'Almost (Sweet Music)' features on Hozzier's new album, 'Wasteland, Baby!', which was released through Island Records on 1 March.