Lady Gaga's appearance on Carpool Karaoke ... by the AC/DC frontman and they join forces for a rendition of "Highway to Hell." "Hello, my darling," says Johnson as he approaches the car ...

Lady Gaga is ready to rock out! In a recent Carpool Karaoke episode, the "A Star is Born" actress teamed up with AC/DC's lead singer Brian Johnson to perform the band's hit song "Highway to Hell." ...