Singer Josh Groban is in mourning following the death of his grandmother.

The Believe hitmaker was left devastated after his beloved nana, named Evy, passed away at the age of 92 on Friday (05Oct12).

Groban took to his page to share his grief with his followers and hailed his grandmother for her inspiration in life.

In a post, he writes, "Today my Grandma Evy passed away at the age of 92. She inspired all who knew her and influenced my life greatly. I'll miss her always."