Stone, 48, revealed that she always uses the stairs. It is one of her strategies for staying in shape.
She stated, "I’m thinking I ought to make an exercise video. I’ve exercised a little but over a long period of time."
The actress was accompanied to this press conference by her co-star, British actor, David Morrissey.
The star revealed finding her co-star very sexy in certain scenes. She explained, "I was thrilled when he took his clothes off."
The movie will be on the silver screen at the end of the month.