Dieter Bohlen and Carina Walz have been a couple since 2006 – so far without a marriage certificate. Bohlen turns 70 on Wednesday.

The couple has two children together: a twelve-year-old daughter and a ten-year old son. "I'm a burned child when it comes to getting married and I definitely don't want to ruin another marriage," says Bohlen. It would then be the third marriage, and it has to last until the end of his life.