Britney Spears' husband is speaking out about speculations that he treats her like "dirt."

Kevin Federline says rumors he spends his time partying and doesn't care for his famous wife and their baby son, Sean Preston, are completely untrue.

He tells America's Newsweek magazine: "It's always, 'He hates his children, he treats his wife like dirt, he gets high all day.' If I was that bad, you think anyone, let alone Britney, would put up with it?"

The former dancer, who is trying to launch a music career, also reveals he and Britney - who tied the knot in 2004 - have worked together on some new music.

However, the fledgling rapper, who released debut single 'PopoZao' on his own website, says the songs will not feature on the record because he wants to have a successful career on his own.

Federline, who hopes to release his debut album this spring, said: "We have collaborated."

"But I'm not going to put the songs on this album because it's like, 'Respect me first; then I'll show you what I've done with my wife'."

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