Ms Rivera dazzled in diamonds at Buckingham Palace last night . But the 45-year-old former soap actress is embroiled in controversy . Much is focused on allegations of dodgy house purchase deal . Comes shortly after Mexican regime was criticised over student kidnap . The kidnap and murder of one students by a cartel sparked global protests .
Ms Rivera dazzled in diamonds at Buckingham Palace last night . But the 45-year-old former soap actress is embroiled in controversy . Much is focused on allegations of dodgy house purchase deal . Comes shortly after Mexican regime was criticised over student kidnap . The kidnap and murder of 43 students by a cartel sparked global protests .