The management company that helped Kelly Clarkson reach the top of the charts has reportedly filed a lawsuit claiming it is owed $1.4 million by the star.
They say the agreed sum in television commissions has not been paid.
Starstruck Management Group - run by Narvel Blackstock - submitted the claim in Los Angeles Superior Court, E! report.
Clarkson married Blackstock’s son, Brandon, in 2013 - but they couple filed for divorce earlier this year.
According to the papers, Kelly has allegedly not paid the full commission this year for her work on The Voice and The Kelly Clarkson Show.
The company say they earn a 15 per cent on the star's gross earnings.
But it appears there is no written agreement - the suit alleges that the terms of the deal were verbally negotiated.
Starstruck Management Group has represented the singer since 2007.
"Over the course of approximately thirteen years, Starstruck developed Clarkson into a mega superstar," the suit states.
"Starstruck contends that the Clarkson Defendants are obligated to continue to pay Starstruck Commissions."
Kelly and Brandon tied the knot in 2013 but they have gone their separate ways after seven years of marriage.
The Since You've Been Gone singer filed divorce papers in Los Angeles last month citing irreconcilable differences.
They share two children together - daughter River, five, and son Remington, four.
Kelly - who is worth an estimated £45million - requested joint legal and physical custody of their two children as she cited "irreconcilable differences" in court documents.
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