"It's official," he wrote alongside a picture of himself with his newborn in bed. "We are parents to this beautiful boy. Leah is a power goddess! I am humbled by her beauty, strength and grace. #womenaresuperior #fact"
ET was the first to report the couple was expecting back in June. Until then, the two had been low-key about their relationship, but an eyewitness spotted the lovebirds being "very affectionate" toward each other during a dinner date at Laurel Tavern restaurant in Studio City, California.