America's 17-year-old singer, dancer, actor and YouTube personality, JoJo Siwa, has come out as gay. She shared a picture in a T-shirt gifted by her cousin that read, "Best. Gay. Cousin. Ever," and was supported by a number of celebrities including Ellen DeGeneres, Paris Hilton among others. She has appeared in reality series 'Dance Moms' and TV film 'Blurt'.