Joelle Joanie "JoJo" Siwa (born May 19, 2003), better known as JoJo Siwa or… Read Full Bio ↴Joelle Joanie "JoJo" Siwa (born May 19, 2003), better known as JoJo Siwa or JoJo with the Big Bow, is an American dancer, singer, actress, and YouTube personality. She is known for appearing for two seasons on Dance Moms along with her mother, Jessalynn Siwa, and for her singles "Boomerang" and "Kid in a Candy Store". Siwa posts daily videos of her day-to-day life on her second YouTube channel JJ S'world. She recently came out on social media, and introduced the world to her girlfriend, Jenna Sawyer.