Recurring Guest Characters Scarlett Johansson 2 guest appearances Miley Cyrus 2 guest appearances Paula Abdul 2 guest appearances Whitney Cummings 2 guest appearances Kathy Griffin 2 guest appearances Randy Jackson 2 guest appearances Kesha 2 guest appearances Cesar Millan 2 guest appearances Emmy Rossum 2 guest appearances Betty White 2 guest appearances Channing Tatum 1 guest appearances Josh Duhamel 1 guest appearances Fergie 1 guest appearances Kristen Bell 1 guest appearances Kristin Chenoweth 1 guest appearances Max Greenfield 1 guest appearances Julianne Hough 1 guest appearances Miranda Lambert 1 guest appearances Queen Latifah 1 guest appearances Jerry O'Connell 1 guest appearances ⇤ « 1 2 3 » ⇥