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R&B singer Kelis is breaking her silence on her marriage to rap star Nas. The crooner has stepped forward to accuse Nasir Jones of both physically and mentally abusing her during their stint together.

In a new interview, Kelis claimed Nas’ actions toward her ultimately forced their 2009 divorce.

“There was a lot of mental and physical abuse”, Kelis said. “His memory is definitely faulty. I’ve waited 9 years to say anything. I have never talked about this man. The amount of airing out that I could do and don’t do is what our kids will find out. … We had really intense highs and really intense lows. It was never normal. An intense high would be when money was rolling in. But I was 22 when I met him. We were drinking a lot, getting high a lot. So when that comes down, it was bad.” (The Hollywood Unlocked)

Kells also admitted her pregnancy with their son Knight made her leave Nas for good.

“An intense low….we had a lot. It was really dark. A lot of drinking. A lot of mental and physical abuse and it got to the point where if I wasn’t pregnant, I might have stayed with him.” she stated. “I was pregnant and it was a mess and I felt like I wasn’t going to bring a child into this.” (The Hollywood Unlocked)

A few weeks ago, Nas and his ex came to an agreement on their child custody situation.

We’ve learned Nas and Kelis have agreed to share joint legal and physical custody of Knight. The agreement is specific, breaking down who gets the child during various holidays. For example, Nas gets Knight on Father’s Day and Kelis gets the child on Mother’s Day. They’ll alternate Knight’s birthdays … he gets the even years and she gets the odd years. (TMZ)

Last year, buzz developed about Nas getting knee-deep into a legal war with his ex-wife.

Nas says he has “tried to work cooperatively with Kelis over the years,” but the “Milkshake” rapper only “allows” him to exercise his custody with their son “when she deems it convenient for her.” He says Kelis chooses when she will allow him custody of the child, and then for months at a time will “refuse to set up time for our son and me to spend time together.” The judge has not yet ruled on Nas’ request. (The Blast)