Proud new father and husband to Alicia Keys, Swizz Beatz, is at the center of a lawsuit claiming fraud on a single he recorded with rapper Cassidy.

RadarOnline.com has the exclusive court documents – read them here.

According to the paperwork filed on October 19 in New York, songwriter Antwann Frost collaborated with Beatz on a track called My Drink ‘n My 2 Step in 2007 for a Cassidy album and was not properly compensated.

“Cassidy’s album entitled B.A.R.S. The Barry Adrian Reese Story…was commercially released to the public on November 6, 2007,” Frost said in the lawsuit.

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