United Kingdom, July 5 -- Kelly Osbourne has shared an emotional open letter to her mother to mark her parents' first wedding anniversary since the death of Ozzy Osbourne.

The TV personality, 41, was left devastated when her heavy metal icon father Ozzy died in July last year aged 76 following a battle with a string of illnesses and heath problems including a battle with Parkinson's disease.

She has now taken to social media to describe her dad's love story with her grieving mother Sharon Osbourne, 73, as one "even heaven could never end".

Kelly visited her father's grave, where he is buried beside a lake on the family's Buckinghamshire estate, leaving a large bouquet of flowers before sharing a lengthy tribute to Sharon on Instagram o...