Justin Joseph Thorne, called by his nickname JJ, was born July 13, 1989 in Canyon Country, California and raised in Inwood, New York. Thorne’s father is director Rich Thorne who directed Dr. Dolittle 3, in which JJ played a minor role.
Justin has been featured in many hip-hop dance video and has also made small guest appearances on the popular TV sitcoms That's So Raven and Will & Grace. JJ also landed an extra role in the film Daredevil, starring Ben Affleck, because Rich Thorne was working on the film.
JJ is currently best known as a member of the boy band NLT. Thorne’s friend V Sevani asked JJ to be in the group with fellow members Travis Michael Garland and Kevin Michael McHale. NLT has been producing and releasing their music since 2006, but as of 2008 had not yet released their debut album.
On March 13, 2007, the guys of NLT released their debut single, "That Girl”. The music video featured actress Ashley Benson, as well as V’s older brother Adam G. Sevani of Step Up 2 notoriety, and Melissa Reyes, who was the second runner up on the television series Pussycat Dolls Present: The Search For the Next Doll. NLT’s next single, “She Said, I Said,” was produced by Timbaland. Around Christmas time of 2007, the group released their contemporary take on Silent Night, which they called "Crank That Silent Night", in reference to the popular hit "Crank That Soulja Boy." Their debut album had been postponed as of early 2008 because most of the tracks had been leaked. However, the guys of NLT have still been keeping busy promoting themselves and their music.
In the spring of 2007 NLT opened for the Pussycat Dolls, and went on to complete a 16-city tour called Bandemonium with the other popular boybands Menudo, V Factory and Mark and James.