Emma's co-star in the film, Logan Lerman is also her real life boyfriend and you can see her chatting to him here in these stills.
The film is based on a book by Stephen Chbosky and Emma has said of the role, 'I feel incredible about it. I feel like I've been waiting for Perks. I was waiting for this story, for this script, for this moment, for these people to do it with me. I'm so glad I didn't do anything that I didn't care about.'
Perks of Being A Wallflower follows 15-year-old Charlie (Logan Lerman), an endearing and naive outsider, coping with first love (Emma Watson), the suicide of his best friend, and his own mental illness while struggling to find a group of people with whom he belongs. The introvert freshman who is taken under the wings of two seniors who welcome him to the real world.