On the  American reality competition Under the Gunn, singer Zendaya appear as a guest judge with what other single name singer?
Under the Gunn Under the Gunn (also known as "Project Runway: Under the Gunn") is an American reality competition series that premiered January 16, 2014, on Lifetime. Production of the series began in November 2013, with the finale filmed on December 17, 2013. The series was filmed at the Fashion Institute of Design and Merchandising in Los Angeles. Guest judges included: Heidi Klum, Neil Patrick Harris, Macklemore, Jaimie Alexander, Zoey Deutch, Zendaya, Georgina Chapman, Sarah Hyland, Trina Turk, and Wendy Partridge.
America's Best Dance Crew (season 6) The sixth season of "America's Best Dance Crew", also known as America's Best Dance Crew: Season of the Superstars, premiered on April 7, 2011. Taking a different route from past seasons, the crews performed to the music of one specific artist each week, including Rihanna, Lil Wayne, and other stars. The season also featured special guest appearances by various music celebrities including Justin Bieber, The Black Eyed Peas, Katy Perry, Kesha, Nicki Minaj, and Kanye West. Dominic "D-Trix" Sandoval, a former member of Quest Crew, the winner of the third season of "America's Best Dance Crew", joined returning judges Lil Mama and JC Chasez as the newest judge. In the season finale, which aired on June 5, 2011, I.aM.mE was declared the winner.