The Tonight Show Starring Jimmy Fallon - S6 • E99 - Keira Knightley, Jon Glaser, The Chainsmokers ft. 5 Seconds of Summer
Keira KnightleySelf - Guest The ChainsmokersThemselves - Musical Guests 5 Seconds of SummerThemselves - Musical Guests Steve HigginsSelf - Announcer The RootsThemselves - House Band Brian McDonaldSupervising Producer Maria PopeSupervising Producer 
