Parents: Sarah Michelle Gellar and Freddie Prinze, Jr.
Newborn: Boy (name not yet released)
This Hollywood couple met while shooting '97 horror flick hit "I Know What You Did Last Summer," and we know what they did last summer: In the Sept., they announced the arrival of their second child together, a little boy, who joins sister Charlotte Grace, 3. "Mother and baby are doing great," a rep told Us Weekly. "Charlotte is VERY excited to be a big sister."