There are at least two artists with this name. 1. Jay-J, born in Hamme Belgium on November 20th 1984 as Gwen Dhanis, has always been passionate about music. However, in his teens Jay-J never imagined that he could become a musician, the world of glamour and fame felt unreachable for him. So thru out high school Jay-J decided to focus on his second passion, becoming a chef. After learning the ropes, Jay-J graduated from high school in 2003.