Marilou Bourdon is a Quebecoise/Canadian popular singer. She was born on September 20, 1990 in Longueuil, Quebec, Canada. She developed an interest in the musical world starting at the age of eight when she attended dance, music and theater courses. Her first show was made in front of several hundreds of spectators at an annual concert show. She was first discovered in 2001, when she sang a duet with Natasha St-Pier in a Quebec show called Stars à domicile.

Her career started in 2002 when she had her first single Je serai la pour toi in a duo with Canadian Gino Quilico; the single is the French version of the cover There For Me, sang in the original version by Sarah Brightmanin duet with José Cura.

Marilou signed with the Sony label in 2004 before going on a tour opening for Garou In 2005, she released at the age of 15 her debut album, La fille qui chante, in which one of the singles includes a duet with Garou Also, René Angélil, who also manages Celine Dion, became her manager. After several concerts and promotions, Marilou played in Luc Plamondon's musical comedy Notre-Dame-de-Paris. She started her first own music tour in 2006 while continuing with her high school studies.

In 2007, her self-titled second album was released, the most notable song being Danser sur la lune which includes also a non-Canadian version duet with Merwan Rim. A European version of the album was also released a few months after the Canadian release date. Later in the year, she made her Tout simplement Marilou province wide tour.