Emery was born in New York, New York and is the son of a firefighter. He introduced his sister Veronica in a Sibling Tag video on YouTube.
He is known for his work on American Music Awards 2014, 2015 Billboard Music Awards and Teen Choice Awards 2015.
Emery Kelly was a contestant on the reality competition series The X Factor as a member of the pop trio "Forever in Your Mind." The group released a single called "She Lights the World" in 2013.
Before being famous, Emery was an accomplished athlete and an avid gamer.