This divorce just keeps getting nastier!

Spice Girl singer Mel B is in the midst of a messy divorce from her husband Stephen Belafonte, but that’s just the start of her legal woes. She’s now being sued by the couple’s former nanny Lorraine Gilles for defamation after Mel accused her of extortion — among other things.

In her divorce filing, the 41-year-old claimed that Lorraine had an affair with Stephen and that she had gotten pregnant with his child, but later had an abortion. She also alleged that Lorraine and Stephen were conspiring against her and were also threatening to release sex tapes if Mel didn’t pay them, according to TMZ.

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(Photo Credit: Getty Images)

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Normally, a person cannot be sued for things that they say in court documents, but there is a loophole in California family law that third parties have a right to sue if they’re not part of the litigation — and Lorraine is considered a third party in this case.

In her lawsuit, Lorraine alleges that she engaged in a sexual and working relationship with Mel B after she moved to Los Angeles as an 18-year-old German exchange student nearly seven years ago. Lorraine also claims that Mel’s husband Stephen joined them for threesomes from time to time but only if Mel allowed him to join them. She also alleged that many of their threesomes were filmed.

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The estranged couple was known to have an open relationship and engage in threesomes, according to Stephen’s brother. He recently was interviewed on the Kyle and Jackie O Show and suggested that the openness in their marriage is what eventually led to their split.

Lorraine is suing the America’s Got Talent judge for defamation, libel, invasion of privacy, and infliction of personal distress, according to documents obtained by E! News. She said that Mel portrayed her as a “homewrecker, prostitute and extortionist” in her divorce filing.

“[Mel] seduced a naive and curious 18-year-old foreign exchange student…with alcohol, fame and casual sex,” the court documents read.

Mel and Stephen have yet to respond to Lorraine’s lawsuit.