Prince William has released a touching and emotional tribute to his grandmother Queen Elizabeth II, who died on Thursday (local time).
The newly-appointed Prince of Wales took to Instagram to share his grief after the death of Queen Elizabeth.
"On Thursday, the world lost an extraordinary leader, whose commitment to the country, the Realms and the Commonwealth was absolute. So much will be said in the days ahead about the meaning of her historic reign," the Prince of Wales wrote.
William said he will grieve his grandmother's death, but he felt "incredibly grateful" to have experienced the Queen's "wisdom and reassurance" over his life.
"My three children have got to spend holidays with her and create memories that will last their whole lives," William wrote.
"She was by my side at my happiest moments. And she was by my side during the saddest days of my life. I knew this day would come, but it will be some time before the reality of life without Grannie will truly feel real."
William said he was grateful for the "kindness she showed my family and me".
"I thank her on behalf of my generation for providing an example of service and dignity in public life that was from a different age, but always relevant to us all," he wrote.
William added he will honour the Queen's memory by helping King Charles "in every way I can".
"My grandmother famously said that grief was the price we pay for love. All of the sadness we will feel in the coming weeks will be testament to the love we felt for our extraordinary Queen. I will honour her memory by supporting my father, The King, in every way I can."
William's touching tribute was released on the same day he made his first public appearance alongside Prince Harry when they paid respect to Queen Elizabeth.