Xenia Seeberg (born on 4 April 1972 in Geldern, Germany) is a German film and television actress. She is perhaps best known for her role as Xev Bellringer in the science fiction television series Lexx. She also debuted as a singer in 1996 on the EMI Electrola label with her maxi single Heartbeat . Several of her songs including Heartbeat have appeared on several compilations such as Dance Fever (1996), Dancemania 4 (1997) and Absolute Music 20 (1999). In 2003 she married actor Sven Martinek.