Meli C has 2 Greyson Chance concerts.

Greyson Michael Chance (born August 16, 1997)[1] 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 65 million views as of June 28, 2019, and an appearance on The Ellen Degeneres Show shortly afterward. Two of his original compositions, "Stars" and "Broken Hearts", gained over 6 and 8 million views respectively on his YouTube channel.