"She has no idea the extent to which Nick is trying to take control of her career and finances," an insider told the Enquirer. "He's treating Sofia more like a bank cash machine than a bride-to-be. And Sofia is such a loving, trusting woman that she would never suspect that Nick is using her for her fortune."
"Some of Sofia's friends think she's about to make the biggest mistake of her life," the source said..
For more on this story, pick up the latest issue of National Enquirer -- on newsstands Thursday.