Kate Middleton Becomes Princess of Wales After the Passing of Queen Elizabeth II Kate Middleton , formerly known as the Duchess of Cambridge, has officially been granted the new title of Princess of Wales following the passing of Queen Elizabeth II on 8 September 2022 . This prestigious title was previously held by the late Dian a, often referred to as Lady Diana or Princess Diana . Kate becomes the first woman to hold this title since Diana , solidifying her place in the history of the British monarchy. This appointment marks a new chapter for Kate Middleton and the royal family. The Princess of Wales is an honorary title given to the wife of the heir apparent to the British throne. Kate received this title after her husband, Prince William , was named the Prince of Wales, making him the next in line to the British throne following the death of Queen Elizabeth II . As Princess of Wales, Kate Middleton is expected to continue her official duties and charitable activities, suppo...