(--Nas and= Kelis were married for six years, and filed for divorce on April 30th, citing the typical "irreconcilable differences." Their first baby is due July 21st.)

(--Last month, Nas asked a judge to deny Kelis' request for spousal support and legal costs. And now things just keep getting uglier.)

Kelis is asking the judge to order Nas to help . . . and she also specifically wants $3,500 for a nurse after the child's birth, $20,000 for strollers, cribs, and other baby supplies . . . and for Nas to provide half of all the medical expenses after the baby is born.

She says, quote "My survival is based on his will at this time. If he does not want to pay for an expense, it does not get paid."

She also claims he's keeping her jewelry from her, quote, "There were many expensive pieces [of jewelry] such as a princess-cut diamond tennis bracelet that was recently appraised for $190,000.

"My engagement ring is an approximately nine-carat cushion-cut diamond solitaire. I have numerous watches . . . such as Cartier, Rolex, Frank Muller and Chopard