Whitney Houston is being sued by her own stepmother.

According to the lawsuit, Barbara Houston claims the singer pocketed a $1-million life insurance payout from her late father’s estate, E! Online reports.

But, Barbara claims, $723,000 of that was supposed to go toward the mortgage on the New Jersey condo she shared with John Houston, who died in 2003. (Once the mortgage was paid off, the suit alleges, the rest of the cash would be given to the stepmother.)

Lawyers for both sides refused to comment on the pending suit, E! said.

Meanwhile, Whitney Houston continues to work on her comeback with music mogul Clive Davis.

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