Greyson Chance

Greyson Michael Chance (born August 16, 1997) is an American pop rock singer, songwriter, pianist whose April 2010 performance of Lady Gaga's "Paparazzi" at a sixth-grade music festival became a hit on YouTube, gaining over 50 million views as of May 11, 2013. Two of his original compositions, "Stars" and "Broken Hearts", gained over 5 and 7 million views respectively on his YouTube channel. His debut single, "Waiting Outside the Lines", was released in October 2010. Chance's debut album, Hold On 'Til the Night, was released on August 2, 2011.

source: Wikipedia