Marie-Jose van der Kolk (born 16 September 1973 in IJmuiden, Netherlands) also known by her stage names Loona and Charisma, is a singer, songwriter and dancer. She is most noted for her collaboration with DJ Sammy, performing as a duo under the stage name of DJ Sammy feat. Charisma. She is active from 1994–2005, 2008–present. She has a daughter, Saphira Maria (born February 10, 2005).