United Kingdom, Aug. 4 -- Lady Gaga reached out privately to Sharon Osbourne, following Ozzy Osbourne's death.

The 39-year-old star was a huge fan of the late Black Sabbath rocker - who passed away last month at the age of 76 - and she sent a huge bouquet of flowers to his grieving widow to share her sympathies.

A source told The Sun newspaper's Bizarre column: "The flowers must have cost hundreds but Gaga wanted to reach out.

"Gaga has always been a huge fan of Ozzy and the Osbournes - before she was famous she even used to strip to Black Sabbath's Black Sabbath.

"She once told Ozzy - he found it hilarious."

Following Ozzy's death, Gaga previously paid tribute with a cover of his solo hit Crazy Train during her MAYHEM BALL show in S...