When 13-year-old Greyson Chance posted a clip of himself performing Lady Gaga’s “Paparazzi” on YouTube last April, he never dreamed it would become a viral sensation with more than 37 million views. Just two weeks later, Greyson appeared on The Ellen Degeneres Show and became the first artist signed to her new record label, eleveneleven Records.

Cody Simpson first picked up a guitar at the age of seven. Just five years later, he began posting YouTube videos of himself performing covers of songs by artists who inspired him. In 2009, Cody was contacted by songwriter and producer Shawn Campbell, who works wih Jay-Z, Missy Elliott, and Ciara. The rest is history.