Jack Osbourne & Fiancee Welcome Baby Girl

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Sharon and Ozzy Osbourne are officially grandparents to a bouncing baby girl!

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The happy news was announced early this afternoon by HELLO! magazine, confirming that Jack Osbourne and his fiancée Lisa Stelly had welcomed Pearl, an 8lb, 6 oz baby girl, to their family. 

Sister Kelly relayed her congrats via Twitter, adding that she is "one proud Auntie!" in her excitement for her brother's brand new bundle of joy.

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Last October, Jack revealed that he and his fiancée were expecting their first child, making Ozzy and Sharon Osbourne first-time grandparents.