Jack Osbourne

There's a new Osbourne in town!

Jack Osbourne and fiancée Lisa Stelly welcomed a baby girl, People reports.

Jack Osbourne gets engaged

Their daughter, Pearl, weighed in at 8 pounds, 6 ounces. This is the first child for Osbourne and Stelly, who got engaged in September.

Since sharing the spotlight with his family on MTV's The Osbournes in 2002, the 26-year-old son of Sharon and Ozzy Osbourne has been working behind the camera on project featuring his famous dad.