(AllHipHop News) Rap star Nas has agreed to pay tens-of-thousands of dollars in back mortgage payments for the house his ex-wife, Kelis, lives in. According to TMZ.com, Nas still owes his ex-wife almost $300,000 in spousal support. Additionally, the rappers lawyer filed a payment plan with the court, so he could catch up on the late payments. The rapper was past due $52,989.22 in monthly payments towards the home. Nas will pay $17,500 up front and then double the payments of $7,800 each month until the mortgage on the home is current. In a recent interview with PerezHilton.com, Kelis revealed that she was in a new relationship that was going great.