Mary Louise was spotted with her new daughter over the weekend as they traveled to the Emmy’s.
No further information about the adoption was given.
Parker, 43, also has a 3-year-old son, Will, with actor Billy Crudup, 39. The couple split before Will was born, but Parker told PEOPLE last year she never had any doubts about being a single mom.
“There are a lot of things I just would not attempt, but taking care of someone – I know how to do,” she said. “I know how to do that and I enjoy doing that.”