Celebrity Apprentice Winner John Rich Welcomes Son Colt Daniel

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Welcome to the boys club, Colt Daniel.

Country music superstar John Rich, 37, and his wife Joan, 41, welcomed their second son on September 29, Rich announced via Twitter.

Weighing 7 pounds, 14 ounces, a "very proud" Rich said Colt is a "real 'Son of a Gun!'"

Rich, who tied the knot on December 6, 2008, has one other son, Cash, 20 months. In May, the "Country Done Come to Town" singer won Celebrity Apprentice and received $250,000 on behalf of St. Jude Children's Research Hospital.