'Downsizing' is available on Digital Mar. 6, and on Blu-ray and DVD Mar. 20.
ET can confirm the actor's dad died on Dec. 14. He was 74.
The actress also opened up about season 2 of 'Big Little Lies' while attending the L.A. premiere of her new film, 'Downsizing,' in theaters Dec. 22.
The 47-year-old actor has a new film called 'Downsizing,' where his character is shrunken down to five inches tall.
ET caught up with the actress to talk about her new flick with Matt Damon, 'Downsizing,' and she revealed she and her writing partner are working on their first film together since the hit comedy.