The heiress signed a deal with Le Bonitas last year (10) to launch her own range of lingerie, beachwear and pyjamas for the company, but alleges the five-year deal fell through because of a lack of promotion.

In a lawsuit filed in Manhattan in January (11), Hilton's lawyers claim the star is owed $1.5 million (£937,000) in guaranteed royalties as the company breached its contract.

However, La Bonitas' legal team has fired back, insisting the star ignored designs and prototypes sent to her for approval, according to the New York Post.