Kelis and Nas have named their son Knight. The estranged couple - who are currently in the middle of an acrimonious divorce - welcomed their first child into the world on Tuesday, with Nas posting a clip on video sharing website YouTube to announce the new arrival.

Kelis has given birth to a boy. The singer is believed to have delivered the tot in a New York hospital today, after going into labor yesterday, according to MTV reports.

Kelis is demanding Nas funds stem cell storage for their baby. The "Milkshake" singer filed for divorce from the rapper in May, citing "irreconcilable differences", and legal documents show she has made a string of requests for their unborn child from her spouse of four years.

Kelis has hinted her estranged husband Nas cheated on her. The "Milkshake" singer - who is eight months pregnant with the rapper's child, and filed for divorce in April - took to her Twitter blog to discuss her feelings on infidelity, prompting speculation her rant was aimed at Nas.

Kelis and Nas want fans to name their baby. The married couple, who are expecting their first child together, are struggling to choose a name for their unborn son and are considering launching an online competition to get some inspiration.

Kelis and Nas are expecting their first child together. The "Milkshake" singer and the "I Can" hitmaker are thrilled with the news they will be expanding their family later this year.