For obvious reasons, Late Late Show host James Corden broke with the Carpool Karaoke format to join a celebrity guest in song. Costumes!

Denis Leary and Corden dolled up as former POTUS Bill Clinton and Dem nominee Hillary Clinton to perform Leary’s 1990s anthem “He’s An A**hole,” with lyrics modified to pay homage to Hillary’s GOP opponent Donald Trump – and have some fun taunting the CBS Decency Police.

Check out the video above.