Add a Joe Jonas to the mix of celebrity judges on American Idol. A rep for the Jonas Brothers confirms to PEOPLE that Joe Jonas will serve as a guest judge in Dallas on Monday.

Jonas, 20, joins the growing ranks of celebrity judges on Idol, including Mary J. Blige, Victoria Beckham and Shania Twain, who have all stepped in to fill the spot left by Paula Abdul. first reported Jonas would be a judge on Idol.
– Sharon Cotliar