Emily Blunt was pregnant during the shooting for forthcoming The Girl on the Train and
she didn't revealed it in the early stages of the shooting.
Her costar and longtime friend Justin Theroux, who acts as Rachel’s ex-husband, suspected something. He explained, “We were rehearsing a scene… and she had a stunt — I wouldn’t even call it a stunt.She was on the floor, and she makes a move to run out of the kitchen, and she was like [to director Tate Taylor], ‘Yeah, I don’t think I want to… I think I’d be standing, and I’d just bolt for the door.’”
“I was like, ‘No, I think you’d be on the ground, and you’d maybe sit up, and then from a sitting position you’d just bolt. She was like, ‘I just don’t want to twist my hip, and then we’re going to have to use a stunt person…’”