Kareen Antonn (born Kareen Antonopoulou on 24 May 1980 in Nogent-sur-Marne, France) is a French artist of Greek and Spanish origin. In 2003, she recorded a pair of duets which included the hit songs "Si demain... (Turn Around)" and "Si Tout s'arrête (It's a Heartache)" with Bonnie Tyler.She also recorded "Un Homme se blesse" to help the homeless.