"The door flies open and Brad Pitt walks in and he's like, 'Oh, I'm sorry, I didn't realise there was anything happening in here,' and then he goes, 'Oh, hey Nick,' and walks out. I'm like, 'Brad Pitt knows who I am, what?' I had no idea. I wanted to get up and chase him out of the room and ask him for a picture, but I played it cool..." Singer Nick Lachey was left starstruck after Brad Pitt once accidentally walked in on a meeting he was having with his manager and greeted him.