The designer had attended the same facility for his drug problems in 2003 and had arranged to foot the monthly $35,000 bill for his paramour.
He had also arranged to pay for Gruber's private jet transfer, in fear that if the **** star flew commercial he would be tempted to drink alcohol, according to the Post.
Klein has also previously paid the rent for Gruber's luxury West Village penthouse apartment for two years and forked out thousands when the model needed plastic surgery after sustaining a skiing injury, it was reported.
