The couple filed for divorce in April after 28 years of marriage and seven kids. Gibson - worth about $900 million - and his wife have no prenuptial agreement. Their divorce settlement could be the largest in history because, under California law, community property (including income) is divided 50/50. The actor, currently dating singer Oksana Grigorieva, will be a dad for the eighth time when Grigorieva gives birth this fall.