Corden even jokes about her pronunciation when singing high notes and dawns a wig himself! To finish this particularly fun Carpool Karaoke episode off, the two showcase their voices by dueting ...

"Look, they didn't ask me but if they had, I would have said karaoke," McDormand joked while accepting the honor. "Because when you've got voices like Leslie [Odom Jr.] and Marcus [Mumford], we ...