The absolute greatest YouTube music sensations weren't even mature enough to drive when they were found, not to mention steer their own new vocations in the spotlight. In any case, a large number of them proceed to work with experienced supervisors, makers and other surely understood craftsmen, sign account contracts, discharge debut singles and collections, and become greater than they at any point thought was conceivable. Do you want to install antivirus in your PC then click here : www.norton.com/setup 1. Sophia Grace - Sophia Grace (and her cousin Rosie) rose to popularity after a YouTube video of her rapping to Nicki Minaj's Super Bass circulated around the web. The young ladies rapidly turned into a most loved of Ellen DeGeneres, and both have featured on her television show a few times since their first appearance. In January of 2015, Sophia Grace put out her own special new rap single, called Best Friends. 2. Justin Bieber - ...