Emma Watson in August's UK Harper's Bazaar

'My acting tutor said the hardest thing for me was to get angry. I almost broke down in tears when they tried to get me to be angry. I said, "I can’t do it, I just can’t do it."'I keep all of that really bottled up somewhere and I feel unleashing it would be the scariest thing – and to let myself be powerful, sexy, all those things, it’s scary for me. [Even playing the bad girl in this shoot]