NEW YORK — Ozzy Osbourne‘s youngest child opened up about the death of his father in a “Good Morning America” interview Monday.

A day before the release of the late heavy metal great’s posthumous autobiography, “Last Rites,” Jack Osbourne appeared on the morning show and spoke about the support his family received after Ozzy’s death in July at age 76.

“None of us expected it to be like this, with that outpour of love,” he told Chris Connelly.

His mother, Sharon Osbourne, has shown a mix of strength and heartbreak, the 39-year old former reality TV star said.

“You know, when people have been asking me that question, I say, ‘She’s OK, but she’s not OK,'” he explained.

Jack Osbourne also discussed his father’s “Back to the Beginning” concert, which took place just weeks before his death.

He shared: “Before he went on stage, I ran back into the dressing room and I just gave him a big hug, I just kissed him. I just said, I was like, ‘Crush it, you’re gonna do so good,’ and I was crying.”

“I think it was because we knew it was the last time,” Jack continued. “In hindsight, it kind of was a living wake, you know, if you think about it. He got to say goodbye to everyone.”

For that show, held in his hometown of Birmingham, England, Ozzy reunited with his former Black Sabbath bandmates. The 10-hour lineup featured acts including Metallica, Steven Tyler, Guns N’ Roses, Anthrax and Jack Black.

“Last Rites” went on sale Tuesday, the same day Paramount+ released the documentary, “Ozzy: No Escape From Now.”

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