The papers, which were filed by his lawyer Mark Vincent Kaplan, also state that the 36-year-old rapper is asking for joint custody of their 3-month-old son, Knight. TMZ.com states that Kelis is asking for $72,728 a month.
Previously it was reported that a judge ordered Nas to pay $30,471 per month in spousal support and $9,027 in child support. No word on the amount of child support that Nas is actually providing.
The couple, who wed in 2003, filed for divorce this past April.