She was born on September 16, 1974 in IJmuiden, Netherlands.
When Marie-José danced on Mallorca she met DJ Sammy. She wanted to be a singer, Sammy gave her a chance to sing, they started recording songs under the name DJ Sammy featuring Carisma with "Life is Just a Game", which was their first hit (in 1996). This single was followed by "You Are My Angel", "Prince of Love" and "Golden Child". All of those songs were put together for their debut album Life Is Just A Game
.In the Summer of 1998. Marie came up with a new project called Loona, produced also by DJ Sammy. The first single was a cover of Paradisio's song "Bailando" and it became the summer song of 1998 in Germany, reaching the top of the German charts. By Autumn, it was followed by another single "Hijo de la Luna" (a cover of the Spanish band Mecano) which also reached number 1 on the German charts. The next release was her debut solo album called Lunita
, which was an all-Spanish album.
Van der Kolk did studies of commercial assistant, and used to be a ballet-teacher. She is 1,64 m tall, loves horseriding and dancing.She met DJ Sammy in the Joy Palace, a discotheque in Mallorca. She began to work for him as a dancer, then she took the alias Carisma and became his vocalist. "Life Is Just a Game" was her first hit with DJ Sammy. Sammy later became her husband.She has a daughter, Saphira Maria (born February 10, 2005) with former spouse DJ Sammy. Loona posed nude in and was featured on the cover of June 2012 issue of German edition Playboy.