Appearing on Jimmy Kimmel Live last night, Natalie Portman related a surreal story from her pregnancy last year.

The actress, whose daughter Amalia was born last February and son Adelph was born in 2011, thought her water had broke after collecting Adelph from school. She had her whole family freaking out because she thought she'd gone into labour when something completely different had actually happened (we know what you’re thinking and no, she didn’t accidentally pee herself…).

Check out the madcap tale below: