Leave it to James Corden to end our year with the most fun carpool karaoke yet.
Bruno Mars joined the host of the "The Late Late Show with James Corden" on Tuesday for the latest edition of Corden's hit segment.
The "24K Magic" singer talked to Corden about everything from Elvis to his new look to even his fake upcoming album, "Wine and Wet Wipes."
And in true carpool karaoke fashion, the duo sing the 31-year-old's biggest hits like "Uptown Funk," "Locked Out Of Heaven" and "Grenade."
Watch the full segment below and stick around 'till the end.
Spoiler alert, Corden has the best outfit change.