Natalie Portman’s baby has arrived! The actress gave birth to her third child, her first with boyfriend Tanguy Destable, according to a source who spoke to People. Page Six has reached out to representatives for Portman. While the Oscar winner and her partner, 46, have kept their relationship under wraps since getting together in early 2025, Portman went public with her pregnancy news the following year. The “Black Swan” star spoke to Harper’s Bazaar about the “privilege” and “miracle” of expanding her family in April. “Tanguy and I are very excited,” she gushed to the outlet, clarifying that it was “probably [her] last time” conceiving….