Natalie Portman Mistakenly Thought Her Water Broke - Find Out Why!

Natalie Portman is opening up about how she thought her water broke!

The 36-year-old Annihilation actress appeared on Jimmy Kimmel Live on Thursday night (February 15).

PHOTOS: Check out the latest pics of Natalie Portman

During her appearance, Natalie talked about bringing her 6-year-old son to the show to meet Nick Foles and Kyrie Irving, missing the 2017 Oscars because she was very pregnant, and she revealed why she mistakenly thought her water broke.

She also talked about visiting the Star Wars set with her son and Oscar Isaac, and her new movie Annihilation.

Watch her explain below!