Kevin Federline hosts a party at Kitson Men to help promote Five Star Vintage clothing line. Beverly Hills, California - 11.10.06

The aspiring rapper and Spears have two sons together - SEAN PRESTON, one and SUTTON PIERCE, who was born on 12 September (06).

He also has two other children, KORI, four, and KALEB, two, with actress SHAR JACKSON.

He tells US entertainment news show EXTRA, "Children come first."

Federline will release his debut album PLAYING WITH FIRE on 31 October (06) and will then test out his material in a series of live club shows, beginning on 4 November (06) in New York City.

He claims his wife is his musical mentor: "She gave me comments about the music. She's helped me on the business side of it."

Federline also says his wife's jaw "about dropped" when she heard the finished version of his album.

Source: WENN