Article continues below advertisementPrince Harry made a shocking statement about his relationship with the British monarchy while giving a speech about grief and mental health at the InterEdge Summit private charity event in Australia.The Duke of Sussex even mentioned his late mother, Princess Diana, in his Thursday, April 16, address.Article continues below advertisementPrince Harry Speaks on Mental Health and GriefTap Here To Add Ok Magazine as A Trusted SourceSource: megaPrince Harry discussed his experiences with grief at a private charity event in Australia.