Amy and Marty Wolff Amy and Marty Wolff

It's a boy for Biggest Loser couple Marty and Amy Wolff.

The duo, who met while shedding pounds during Season 3 of NBC's weight-loss competition, welcomed their first child on the Fourth of July, People reported.

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Blaine Patrick Wolff weighed in at 10 pounds, 14 ounces. New mom Amy says, "We're all doing great... and are enjoying getting to know each other."

The Wolffs, who live in Omaha, Nebraska, and run a weight-loss and self-improvement program called Reality Wellness, are not the first Biggest Loser alumni to have a baby. Matt and Suzy Hoover, who fell in love after their Season 2 run, had their second child Jax in September.

The new season of The Biggest Loser premieres Tuesday, Sept. 15, at 8 pm/ET.