Ray J pens tune about Whitney sex life?

R&B star Ray J has written a song about his sex life with Whitney Houston, say reports.

The 27-year-old musician, who briefly dated the veteran diva in 2007, taunts Houston's ex-husband Bobby Brown on a new song, suggesting that his poor bedroom skills were to blame for his marriage ending.

Ray J's relationship with Houston took place during her divorce proceedings with Brown.

On the track 'Boyfriend', which is from his All I Feel album, Ray J allegedly sings: "Is that your wife, is that your shorty?

"Well I'm her boyfriend...I think the problem is you don't beat it right...Making love is cool, just pull her hair sometimes."

Brown has spoken out about Houston's relationship with the young artist in his forthcoming autobiography Being Bobby Brown: The Truth, The Whole Truth And Nothing But...

He writes: "For those of you who want to know, I'm aware of the fact that Whitney had been seeing Ray J, a very young R&B artist who is most famous for being the little brother of Brandy, the multi-platinum singing artist and TV star.

"Their relationship doesn't bother me. She's open to see whoever she wants to see, just like I can see who I want to see.

"I know the age difference between her and the little guy is 20 years, but to each his own."