I ruled out her laywer "husband since his meal ticket being dead means he has start earning a living again. Also her photographer ex-boyfriend gets nothing but the baby.
I wonder if the family of her last millionaire somehow set up or at least help maintain ANS's drug habit and that of her son soto discredit them and possibly cause their deaths.
I think by assisting in her downfall, they wouldn't have to pay her a dime nor face the risk of losing their case in court.
It wouldn't be the first time a blonde starlet was put down to save some rich family cash.