FOX Presents the iHeart Living Room Concert for America

AJ McLean as Self - Backstreet Boys Kevin Richardson as Self - Backstreet Boys Ken Jeong as Self Lizzo as Self Demi Lovato as Self Ellen DeGeneres as Self FINNEAS as Self Shawn Mendes as Self Tim McGraw as Self H.E.R. as Self Billie Eilish as Self - Performer Camila Cabello as Self Lady Gaga as Self Sam Smith as Self Brian Littrell as Self - Backstreet Boys Nick Carter as Self - Backstreet Boys Dave Grohl as Self - Performer Ben Falcone as Self Mariah Carey as Self Howie Dorough as Self - Backstreet Boys Ryan Seacrest as Self Billie Joe Armstrong as Self Melissa McCarthy as Self Elton John as Self - Host Alicia Keys as Self