Demi Lovato broken over great-grandfather's deathLos Angeles, Sep 30 (AZINS) Singer Demi Lovato is devastated and heartbroken after the demise of her great-grandfather.

The “Cool for the Summer” singer has asked fans to pray for her great-grandmother after her beloved great-grandfather grandparent passed away aged 88, reports femalefirst.co.uk.

Alongside an image of him and her dog Buddy, who passed away in July, she wrote on Instagram: "My two favourite Buddys are now playing in heaven. My heart is absolutely broken and I can't even begin to imagine a world without my papa but I know one day we'll meet again and that's what keeps me going.”

"I hate writing this... But RIP Papa... I miss you so much already. I love you. Please keep my Mimaw in your prayers.(sic).”