By SARAH FITZMAURICE Another dinner date: Katie Price and model Leandro Penna head out for dinner at Hakkasan in MayfairShe has claimed they are just friends but Katie Price has certainly been spending a lot of time with model Leandro Penna.The pair stepped out for their third dinner date since he arrived in London on Monday, this time dining at Hakkasan in Mayfair. Their date comes as news