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Scott Wolf has just expanded his pack.
The actor and his wife, Kelley, formerly of Real World: New Orleans, have upgraded their brood to a party of three, welcoming their first child last week.
Son Jackson Kayse Wolf was born March 22 and tipped the scales at 7 pounds.
"Kelley and I are having the time of our lives," the 40-year-old former Party of Five star told People. "Words can't describe the love we have for our son, Jackson.
"He is the most fun person we have ever met, and we feel so lucky he has joined our family."
Wolf and the 32-year-old new mom have been married since 2004.