Washington - Melania Trump, the wife of US Republican presidential candidate Donald Trump, on Thursday sued two media outlets that alleged she was an escort in the 1990s.The suit - filed in state circuit court for Montgomery County, Maryland and acquired by AFP - is against Mail Media, Inc. which publishes the Daily Mail Online, and Webster G. Tarpley, who publishes a blog.Melania Trump, an ex-model of Slovenian origin, was seeking damages to the tune of $150m."These defendants made several statements about Mrs. Trump that are 100 percent false and tremendously damaging to her personal and professional reputation," said her attorney Charles Harder. "Defendants broadcast their lies to millions of people throughout the US and the world.""Defendants' actions are so egregious, malicious and harmful to Mrs. Trump that her damages are estimated at $150 million dollars."Melania Trump is 24 years younger than her billionaire husband. She is Donald Trump's third wife and the mother of their young son Barron.Harder specialises in cases that involve privacy protection and defamation. He represented former wrestler Hulk Hogan in his successful lawsuit against Gawker Media, which resulted in a $140m jury award against the entertainment website for releasing a sex tape featuring Hogan and a friend's wife.The decision caused Gawker to shutter its flagship website, after the court order drove the company to bankruptcy.