Not sure about the pre-nup, or how being married in Barbados will affect it, but, 200 million sounds cheap. His net worth is estimated to be 1 billion.
Lucky that you and all that you know have never experienced a nasty divorce. They usually claim the woman to walk off with 50%. In reality it's more like 99%.
For a woman to lose in court she has to be a convicted serial killer on death row with 24 hours till execution. Even then, the judge would struggle making judgment for the man. lol!
Tigers still got to endure a few unprotected tournaments of hecklers before the heat subsides....
Best thing for both of 'em is to divorce and move on.......