James Corden's Dream Carpool Karaoke Guest Revealed!

SHE WAS 69 YEARS OLD. PAT: A BIG NIGHT FOR JAMES CORDEN AFTER HE WRAPPED UP HIS PRIMETIME CARPOOL KARAOKE SPECIAL. SUZANNE MARQUES SAT DOWN WITH THE LATE, LATE SHOW HOST TO TALK ABOUT HOW IT STARTED. ♪ ♪ WHEN JAMES CORDEN DOES CARPOOL KARAOKE ON THE LATE, LATE SHOW, IT IS GUARANTEED TO GO VIRAL. THE YOUTUBE RECORD FOR MOST WATCHED LATE NIGHT CLIP WITH ADELE KARAOKE, 84 MILLION VIEWS. BUT IN THE BEGINNING. IMAGINE ANY ARTIST YOU BECOME UP WITH, WE ASKED THEM, THEY SAID NO. REPORTER: FINALLY MARIAH CAREY AGREED. ♪ ♪ A HIT OF BORN. ♪ ♪ BABY COME ON ♪ ♪ REPORTER: WHAT HAVE BEEN SOME OF THE MEMORABLE MOMENTS, YOU AND STEVIE WONDER IS ONE OF MY FAVORITES. THAT AND ELTON JOHN, SINGING THOSE SONS WITH THEM. ♪ ♪ PEOPLE SAY THINGS THEY REACT TO THINGS IN A DIFFERENT WAY THAN THEY WOULD DO IF THERE WAS AN AUDIENCE THERE, WHEN YOU ARE IN A CAR THAT IS IT. REPORTER: YOU ARE HANGING OUT. YEAH. REPORTER: HOW MANY PEOPLE HAVE YOU MAXED OUT. ONE DIRECTION. YES, THE MOST PEOPLE IN A CAR ♪ ♪ YOU DON'T KNOW YOU'RE BEAUTIFUL. REPORTER: WE MARVELED AT HOW HE KNOWS EVERY WORD TO EVERY SONG. NOT ALWAYS, ONE WITH CHRIS MARTIN I GET THE LYRICS WRONG. ♪ ♪ BELLS ARE RINGING. WHAT ARE YOU SINGING? A FEW CHERISHED, IS IT NOT. NO. WHO WOULD BE HIS DREAM GUEST. BEYONCE,BUNEO MARS -- BRUNO MARS, JAY-Z, PRINCE, WE'LL SEE. NOT ONE BAD CAR KARAOKE. PRINCE WOULD BE GREAT. PAT: AND BRUNO MARS, I JUST WANT TO SIT IN THE BACKSEAT, CAN YOU IMAGINE. JEFF: THAT WOW BE GREAT. WE SING IN THE CAR WITH THE RADIO.