The adult film star who claims she had an affair with Donald Trump while his wife was pregnant has launched a new perfume, named Truth.

Stephanie Clifford, who goes by the stage name Stormy Daniels, announced on Wednesday that she is releasing a perfume in a partnership with soap company It's The Bomb.

The perfume is described as limited edition and gender neutral, and sold with the tagline: "Embrace Your Truth".

Clifford is engaged in multiple legal battles relating to her alleged 2006 affair with Trump, which the president has denied.

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It's finally here! #embraceyourtruth #TeamStormy

A post shared by stormydaniels (@thestormydaniels) on

In April, she sued Trump's lawyer Michael Cohen and Trump for defamation, and in March, she sued to be released from a nondisclosure agreement. That suit has been delayed as a federal corruption investigation in New York continues, looking into Cohen and the US$130,000 ($184,000) payment.

Clifford's lawyer Michael Avenatti has become a fixture on cable news, and Clifford herself has been on a nationwide tour of nightclubs and bars, charging people for having their photo taken with her.

To advertise her perfume she released a commercial on social media, in which she saunters around a mansion as famous truth-related quotes appear on screen, including lines from President James Madison and author J.K. Rowling.

"Truth can be thought of as just a temporary belief of knowing something in a moment of time until it advances and then changes," the advert says.

Clifford reacted with joy to the fragrance launch, writing on Instagram: "It's finally here!"

On the day of the perfume launch she also launched legal action against her former lawyer, Keith Davidson, accusing him of colluding with Cohen to silence her.

She described Davidson as a "puppet" of Cohen, and accused him of not fairly representing her interests.

Dave Wedge, a spokesman for Davidson, called the suit "outrageously frivolous".

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"That said, Attorney Davidson is very happy that he has filed this lawsuit because he strongly believes that the filing constitutes a full and complete waiver of the attorney-client privilege," said Wedge.

"Thankfully, the truth can now finally come out to rebut the false narrative about Attorney Davidson that Mr Avenatti has been pushing in his more than 175 television appearances and countless other media interviews.

"Attorney Davidson believes that the American people deserve to know the entire truth — and they soon will. This lawsuit has made that happen."