Looks like the divorce between Usher and Tameka Foster, his wife of nearly two years, is about to get nasty! The National Enquirer is reporting that Usher has reason to doubt that he may be the father of his youngest son, Naviyd, 6 months. Sources tell the publication he is seeking a paternity test. The couple also have an older son, Usher Raymond V, 18 months.

The Enquirer says, “The first thing Usher said was, ‘How did this happen?’ – because he was gone a lot, and their sex life was very, very limited,” revealed a friend of the star. People have been telling him that around the time the little boy was conceived, Tameka got together with another man.”

Usher reportedly plans to fight for custody of his children.

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