Christmas is still some good two months away, but Mariah Carey already seems to be in the mood for some festive dressing. The All I Want For Christmas Is You singer was recently spotted with chat show host James Corden as the two filmed for a Christmas special segment for the Late Late Show.

While the English actor-cum-TV host was dressed in an oversized green holiday sweater, Carey's outfit was anything but traditional. The 46-year-old songstress sported a diamond-studded bra as she shot for the immensely popular Carpool Karaoke segment of the show.

She opted for a red Balmain leather jacket as her top along with a pair of fitted denims. To add to the edginess of her attire, Carey zipped her jacket low to show off the diamond-encrusted bra that also features a bejewelled chain falling from her neck to her navel.

The mother-of-two accessorised her looks with shiny hoops, dark shades and a pair of tie-up heels.

While Corden too endorsed the festive spirit, his traditional "ugly" sweater was no match to the We Belong Together hit-maker's much contemporary look.

Both of them were later seen driving around in the signature black SUV possibly singing festive tunes for the Christmas-special episode. So much so, that even the Carpool Karaoke's car donned holiday decoration in the form of a giant Christmas tree sitting atop the roof.

According to People magazine, the undated episode might feature one of Carey's iconic songs - All I Want for Christmas Is You from her 1994 album Merry Christmas.

The Late Late Show with James Corden airs from Monday to Friday at 12.30am EST on CBS.