Dominic Cooper hates fancy dress parties because they remind him too much of his work.
The 'Need for Speed' actor favours casual clothes when he isn't working and hates socialising at parties where he has to dress up as a character because it reminds him too much of his work.
He said: "I love anything vintage, a good quality suit, scruffy jeans and my trusty leather army boots. I like being casual. As an actor, I'm in costume all the time. That's why fancy dress parties are my idea of hell."
The 35-year-old star is an avid follower of fashion and takes a particular interest in emerging designers.
He said: "I can't believe how easily fads come back into style, like skinny jeans. But I've always loved fashion.
"It influences generations and resonates with a moment in time. I love seeing what designers come up with, especially young designers. I think they're artists."
And Dominic can also remember splashing out on his first-ever new suit to mark his appearance in stage show 'The History Boys'.
He told Britain's InStyle magazine: "When I got paid for doing 'The History Boys' in New York, I bought a nice suit. No idea who by, but it was a big moment as, before that, I'd only worn hand-me-downs with baggy kneecaps. I certainly didn't have the money to buy suits when I was a teenager."