Ben McKenzie and his girlfriend, Morena Baccarin, made their red carpet debut as a couple on Wednesday! The pair, who are expecting their first child together [1], attended the Sierra Club's Act in Paris, a night of comedy and climate action at Heath at the McKittrick Hotel in New York City. Morena looked gorgeous in a formfitting dress and hat, while Ben kept things casual in jeans and a leather jacket. It was revealed in September that the Gotham costars were an item [2], which came just two months after Morena split from her husband of three years, Austin Chick. Keep reading to see more photos from their night out!