Justin Guarini Justin Guarini

American Idol alum Justin Guarini and his wife welcomed their first child together on Tuesday, People reports.

Guarini's wife, Reina Capodici, gave birth to son William Neko Bell at 6:26 a.m. William weighed in at 7 lbs., 2 oz. and joins older sister Lola, 5, from Capodici's prior relationship.

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Guarini, 32, just wrapped his almost two-month run in Broadway's American Idiot on Sunday.

"Quite a polite fellow for waiting until late Monday, early Tuesday to make his entrance," Guarini told People. "With a full head of curly brown hair, wide open and alert eyes he came charging into the world."