"Can't believe this little girl....is turning 23 today! Happy birthday to the most wonderful daughter! I love you, Ava!" wrote the Big Little Lies star. Never miss a story — sign up for PEOPLE's ...

Christopher Meloni/Instagram Christopher Meloni is celebrating his daughter ... happy you came to us @sophiaemeloni,” he wrote. “So happy you let me glom on to ur B Day.” “Happy 23 ...