Maya Rudolph Maya Rudolph

Maya Rudolph and her partner, director Paul Thomas Anderson welcomed their third child together, a baby boy, on July 3, People reports.

Jack is home and doing great, according to the magazine, and joins older sisters Pearl, 5, and Lucille, 20 months. Rudolph, 38, and Anderson, 41, chose not to find out the sex of the baby prior to delivery.

VIDEO: Get a first look at Christina Applegate's new comedy, Up All Night

The Bridesmaids star and There Will Be Blood writer-director have been together since 2001.

Anderson's next film, The Master starring Phillip Seymour Hoffman and Joaquin Phoenix, hits theaters next year. Rudolph will next star in Up All Night, which premieres this fall on NBC.