David Hellenius, Self: Let's Dance. David Hellenius was born on February 28, 1974 in Järfälla, Stockholms län, Sweden as Nils David Hellenius. He is an actor and writer, known for Let's Dance (2006), Idol (2004) and Hellenius Hörna (2010). He has been married to Renée Nyberg since December 31, 2009. They have one child.