 Complete the following phrase:  Upon the death of Diana on 31 August 1997, Sarah flew to Paris with her younger sister, Jane, and Prince Charles to accompany Dianas body back to England. She contributed to the readings at Dianas funeral. She was co-executor of Dianas will and was president of the Diana, Princess of Wales Memorial Fund. Sarah attended the wedding of her nephew Prince William to Catherine Middleton on 29 April 2011. It is said that William and Catherine are close to Lady Sarah, with whom they spent a weekend on the 16th anniversary of Dianas death. Sarah also attended the 