Ozzy Osbourne has posted a Facebook message denying reports he and wife Sharon are divorcing but has admitted to being “in a very dark place” since 2011.

“For the last year and a half I have been drinking and taking drugs,” Ozzy Osbourne revealed in the Facebook message.

The Black Sabbath frontman apologized to his family and friends for his “insane behavior” and announced he was “now 44 days sober”.

Ozzy Osbourne’s message followed reports this week he and his wife of more than 30 years had separated and were living apart.

Ozzy Osbourne has posted a Facebook message denying reports he and wife Sharon are divorcing

Born in Birmingham in 1948, Ozzy Osbourne became known as the “Prince of Darkness” for his colorful on-stage antics and hedonistic lifestyle.

Outside of his music, Ozzy Osbourne is best known for appearing with his family on MTV reality show The Osbournes.

Ozzy Osbourne, 64, left Black Sabbath in 1979 but rejoined last year. The heavy metal band is set to release a new album in June.

In his message, posted on Tuesday, Ozzy Osbourne said sorry to his fans and that he was “just trying to be a better person”.