Sources connected to the now warring ex-couple tell TMZ … Mariah believes James has cost her tens of millions of dollars, and here’s why:
— She claims he got her to move from New York to L.A., uprooting her entire life, so he could be near his kids.
— She claims the incident on the yacht in Greece — where she says he did something awful to her assistant — has traumatized Mariah so much she had to cancel the South American leg of her tour.
— He made various financial promises to her.
No comment from Packer.