Joffrey Boulanger (born 18 August 1989), better known by his stage name Olympe, is a French singer originating from Amiens, France.

After a casting in April 2007, he was invited to sing "Vivo per lei" in a duo with Hélène Ségara during a concert in Albert, Somme.

In 2010, under the name Joffrey B, he released his first studio album recording titled Rien qu'un homme on small C Du Lourd label.

At age 23, he auditioned for the program's second season in 2013 singing "Born to Die" from Lana Del Rey and became part of Team Jenifer.

The album was composed of studio versions of his interpretations during the season on the show plus one new song titled "Merci".