United Kingdom, June 2 -- Emily Blunt fell "cringe-ily silent" when Barack Obama visited the Disclosure Day set.

The 43-year-old actress has recalled director Steven Spielberg, 79, describing how she and her castmates reaction when the former President of the United States visited the set of the upcoming sci-fi epic.

She told Extra: "Steven said we were all cringe-ily, like, silent when he walked in because we were such a gregarious, noisy bunch.

"And then everyone was like [silent] when [President Obama] came in.

"I had this acid wash '80s denim jacket that I had put on his chair. I didn't realise it was his chair. And he came and sat down and he went, 'Oh, what is this?' I went, 'This is for you. I heard you loved acid washed denim....