He’s literally been planning this all year. In a special Christmas edition of Carpool Karaoke, James Corden, wearing an offensively bright neon Santa sweater — we blame Pantone’s “Greenery” obsession — straps a colossal pine on the top of his SUV and takes his good friend Mariah Carey out for some last-minute gift shopping. Carey, looking equally festive…
Watch Harry Styles and James Corden play "Who Wore It Better?"
