BELIEVE IT, THIS IS IT.

IT IS OUR LAST SHOW OF THE YEAR.

ARE YOU EXCITED?

>> OH MY GOSH, YES, THE END OF A DECADE.

>> YOU'RE RIGHT T IS.

I HADN'T THOUGHT OF THAT.

THE END OF A DECADE, GUYS.

TEN YEARS.

BUT BEFORE WE GET INTO IT I WOULD LIKE TO SAY A SPECIAL

THANK YOU TO OFF THE WONDERFUL GUEST HOSTS WHO FILLED IN FOR ME

OVER THE PAST COUPLE OF WEEKS.

I MEAN EVERY SINGLE ONE OF THEM WAS AMAZING, WHICH MEANS NONE OF

THEM WILL EVER BE ASKED BACK TO DO IT AGAIN.

(LAUGHTER) IT WAS A NERVOUS TIME FOR ME.

I WAS LIKE, OKAY, PUMP THE BRAKES JEFF GOLDBLUM, THIS SAY

LITTLE TOO GOOD.

BUT I'M SO HAPPY TO BE BACK FOR THE LAST EPISODE OF THE YEAR.

AND WHAT A SHOW WE HAVE GOT FOR YOU TONIGHT.

WE HAVE A BRAND NEW CARPOOL KARAOKE WITH BILLIE EILISH.

I GO TO CAT SCHOOL WITH THE CAST OF THE MOVIES "CATS" AND I HAVE

TO TELL YOU, A BRAND NEW HOLIDAY BOY BAND HAS BEEN FORMED.

STEVE IS SO EXCITED HE IS TURNING INTO SANTA CLAUS.

THIS ST MY LAST SHOW OF THE YEAR IN LOS ANGELES.

I AM GOING TO FLY, I FLY BACK TO LONDON TONIGHT.

AND HONESTLY I CANNOT WAIT TO RETURN HOME FOR THE HOLIDAYS.

THERE IS NOTHING QUITE LIKE CHRISTMAS IN LONDON.

IT IS INCREDIBLE.

EVERY BUILDING IS BEAUTIFULLY DECORATED, CHRISTMAS CARROLLS

ECHOING THROUGH THE STREETS.

EVERYONE IS VERY, VERY DRUNK.

I MEAN DRINKING THEIR BODY WEIGHT IN BOOZE, YOU KNOW?

BUT WE HAVE SUCH A FUN SHOW FOR YOU TONIGHT AN CLOSING US OUT WE

HAVE A VERY SPECIAL MUSICAL GUEST HERE WITH US THIS EVENING.

SHE'S BEEN HERE ON THE SHOW ALL WEEK.

IN THE BLUE ROOM SHE SAY MULTIPLE GRAMMY AWARD-WINNING

SINGER, SONGWRITER.

THE BEST SELLING FEMALE PERFORMER OF ALL TIME

CELEBRATING THE DELUXE 25th ANNIVERSARY EDITION OF HER

BEST-SELLING CHRISTMAS ALBUM, MERRY CHRISTMAS.

WE LOVE HER SO MUCH, THE INCREDIBLE, THE ICONIC MARIAH

CAREY IS HERE TONIGHT.

(CHEERS AND APPLAUSE) >> HEY, DARLING.

>> HOW ARE YOU, MARIAH.

>> I'M GOOD, HOW ARE YOU, WE ARE JUST DECORATING THE TROA BACK

HERE.

>> YOU HAVE BEEN SO INCREDIBLE BEING HERE ALL THIS WEEK.

WE'RE GOING TO MISS YOU SO MUCH.

>> I AM GOING TO PIS BEING HERE.

>> James: I FEEL LIKE IT ISN'T CHRISTMAS WITHOUT YOU ANY MORE.

>> YOU KNOW WHAT, I'M NOT ME WITHOUT CHRISTMAS SO I DONE KNOW

WHAT TO SAY.

>> James: WE LOVE YOU SO MUCH.

THANK YOU FOR BEING HERE.

>> MARIAH CAREY, EVERYBODY.

ARE YOU RED, REG.

>> Reggie: YEAH.

>> James: THEN LET'S, HE'S REGGIE WATTS, I'M JAMES CORDEN,

THIS, THIS IS THE "LATE, LATE SHOW."