American magazine Star recently reported that Simpson is planning a tell-all book about her life, suggesting she might reveal intimate details about her previous romances, including her marriage to singer Nick Lachey.
But reps for the Dukes Of Hazzard star have insisted the story is not true and her lawyers have issued a warning letter to the publication - urging editors to issue a retraction and an apology.
In documents obtained by GossipCop.com, the star's legal team called the stories "unseemly and scandalous" and ordered the magazine to "cease and desist from publishing any further false and misleading allegations concerning Miss Simpson".
Simpson previously threatened legal action against U.S. magazine OK! in early 2008, relating to a false article about her relationship with now ex-boyfriend Tony Romo.