Jojo Siwa, also known as Joelle Joanie Siwa - is an American YouTube celebrity, dancer, actress, and singer. She was the youngest contestant to participate in the second series of «Abby’s Ultimate Dance Competition» and she gained popularity when she appeared in the fifth-sixth season of «Dance Moms» reality show. She has also enacted in skits for Nickelodeon’s Not-So-Valentine Special as guest artist. Further. her first song «Boomerang» went viral on YouTube and also won her the prestigious RIAA: Gold certifications. Her songs are very motivating and vocal against online bullying. She has a strong social media influence because of her active presence on Television and websites. She is also a successful entrepreneur as her merchandise and accessories sell at retail stores and on the internet. She has signed a book deal with iReach/ Amulet Books and her book is titled «JoJo’s Guide to Sweet