A rep for the Jonas Brothers confirms to PEOPLE that Joe Jonas will sit alongside Simon Cowell, Kara DioGuardi and Randy Jackson as a guest audition judge when the show stops in Dallas on Monday August 24th.

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.