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Hilary Duff and Mike Comrie became proud parents to a 7 pound 6 ounce baby boy on Tuesday, The 24-year-old announced to her Twitter this afternoon.
"Welcome to the World Luca Cruz Comrie!," wrote Hilary. "We are overjoyed and feel like the luckiest parents in the world…He is surrounded by so much love!! Mom and baby are both doing extremely well."
The couple shared their pregnancy news in August, exactly one year after tying the knot.
Duff revealed the sex of her baby on The Ellen DeGeneres Show in October, telling Ellen she "had a feeling it was a boy the whole time."