Overview:International superstar Pitbull returns to the ballroom and for the first time joins Julianne Hough, Carrie Ann Inaba and Bruno Tonioli as a guest judge MONDAY, OCTOBER 20 (8:00-10:01 p.m., ET) on “Dancing with the Stars.” Pitbull will kick-off the night with a steamy performance of his hit single “Fireball” followed by the nine remaining celebrities performing to a mix of his hits and personal favorite songs. Dance styles will include Salsa, Rumba, Foxtrot, Tango and Jazz. At the end of the night, one couple will face elimination.