Jack Osbourne & Fiancee Welcome Baby Pearl

Jack Osbourne steps out at the First-Ever Call of Duty XP at the Stages at Playa Vista in Los Angeles on September 3, 2011 Jack Osbourne steps out at the First-Ever Call of Duty XP at the Stages at Playa Vista in Los Angeles on September 3, 2011

Jack Osbourne has gone from reality star son to father.

The former star of MTV’s “The Osbournes” and his fiancee, Lisa Stelly, have welcomed a daughter.

An editor (Rosie Nixon) for the UK’s Hello magazine first revealed the news on Twitter

“HELLO! can exclusively announce the safe arrival of @MrJackO & @lisamarstelly ‘s baby girl Pearl weighing 8lb 6oz. Love & congrats to them!” the editor wrote.

Jack Retweeted the message, apparently a confirmation of the happy news.

In recent years, Jack went from reality star to filmmaker, producing the documentary “Wreckage of My Past: The Story of Ozzy Osbourne,” about his father, the legendary heavy metal rocker.

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