Camille Grammer has blasted her ex-husband Kelsey Grammer for not co-parenting with her.

Camille Grammer

Camille Grammer

The 'Real Housewives of Beverly Hills' star split from 'Frasier' actor Kelsey in 2010, with their divorce finalised in 2011.

The pair are parents to 14-year-old daughter Mason and 11-year-old son Jude, and Camille says the animosity between them is causing difficulties in terms of raising their kids.

She said: "It's very difficult because he refuses to communicate with me and coparent with me on any level. So what I do is: My kids go to therapy. I go to therapy. I used to think that there would be a day that would come along that someday I could co-parent with him, and he would be willing to talk to me because it would only help the kids."

Camille added during an interview on 'Watch What Happens Live!' on Tuesday night that Kelsey needs to put his children's needs above all else.

She continued: "He's just got to accept this and learn to hate me last and love his children. He's got to think of his children first. It's just been difficult. I take it one day at a time."

Kelsey caused the end of the marriage when he had an affair with Kayte Walsh, who is now his wife.

During an interview with Andy back in 2014, Camille told him: "Kelsey's an ass. I can say it!"