Jack Osbourne and fiancée, Lisa Stelly, welcomed their new bundle of joy on Tuesday, April 24, according to People.
The adorable baby girl named Pearl weighed in at 8 lbs., 6 oz.
While Osbourne admitted to being "excited and a little nervous" about becoming a father, he has plenty of help from his mother Sharon, who has raised 3 kids of her own. Just Call Him Dad: Jack Osbourne Is Going To Be A Father
The Talk co-host spilled to People, "I'm going to be the grandmother from hell because I am going to spoil this baby so bad. My son and Lisa are going to be like, 'Get her out of here!'"
Once Sharon saw her first grandchild's arrival, she tweeted, "Today I witnessed my first grandchild being born, life-changing experience, she is an angel."
Jack's sister Kelly Osbourne shared her excitement with E! News: "(Jack) makes fun of me because every time I'm around him I get teary eyed now, because I'm like, 'I'm so proud of you. you're moving into a new house. You're getting married. You're having a baby. You have the most amazing fiancée ever!'" Kelly Osbourne Dumps Her Cheating Fiancé
Congrats to Jack and Lisa!
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