Corden puts together star-filled Christmas karaoke supercut with Styles, Foo Fighters, Katy Perry, Bruno Mars
'Late Late Show' host also checked in on Sam Smith, Niall Horan, Demi Lovato, Liam Payne before iHeartRadio Jingle Ball concert in L.A.
Comedian struggles with pronunciation during soulful duet with 'Late Late Show' host
Actor also remembers being falsely suspected of murder at age 22
South Korean septet also joined 'Late Late Show' host James Corden for goofy "Flinch" game
James Corden orchestrates surprise backseat date for pop star, her husband/manager
Singer also shows off how to sing upside down on 'Late Late Show'
Singer reimagined 'The Thrill of It All' single with moody lighting, acoustic instrumentation
Smashing Pumpkins singer brought acoustic 'Ogilala' cut to 'The Late Late Show'
Corden, 'Stranger Things' actors form new vocal group the Upside-Downs
Rivers Cuomo forgets work with help from booze, glossy production on latest 'Pacific Daydream' single
James Corden joined a sexy vocal showdown that also included K-Ci & JoJo, Foreigner tracks
'Late Late Show' spot promotes new leg of U.S. touring behind Fleetwood Mac duo's collaborative LP
Singer also rates career moments on level of "How Stoned Were You?" and attempts to make herself cry on demand
Former Oasis singer apologizes to 'Late Late Show' host after calling him "a knobhead"