And the next guest for James Corden's Carpool Karaoke is? Bruno Mars! News has learned that the 24K Magic singer was spotted filming the Late Late Show segment in Los Angeles on Nov. 18, a.k.a. the same day his new album was released. Bruno Mars, 24K Magic This week has been busy in the Carpool Karaoke world, as Corden was spotted filming a new segment in New York with the Queen of Pop, Madonna.