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Emma Watson, Logan Lerman Take Us Inside 'Perks Of Being A Wallflower'

Nina Dobrev tells MTV News her co-star Watson is 'kicking butt and taking names' in the coming-of-age film.

School bells are beginning to ring across the country, but instead of boarding the Hogwarts Express this fall, actress Emma Watson will enroll at a Pennsylvania high school for "The Perks of Being a Wallflower."

The film, an adaptation of Stephen Chbosky's coming-of-age novel (published by MTV Books), tells the story of loner Charlie (played by Logan Lerman) and his life-changing experience befriending eccentric step-siblings Sam (Watson) and Patrick (Ezra Miller).

MTV News visited the set recently to get a behind-the-scenes look at the drama ... and pick up a few dance moves from the film's stars as they boogied at the Sadie Hawkins dance.

"We've got this really catchy song, and we were just talking about it, like, every time we go, I still get pumped up because it's one of those energetic songs," Nina Dobrev (who plays Charlie's sister, Candace) enthused about the Dexys Midnight Runners hit "Come On Eileen."

"Ezra and I are not trained dancers, but we both love dance," Watson said with a grin.

"I feel like I've been waiting for 'Perks.' I was waiting for this story, this script, this moment," she continued. "I was a huge 'Harry Potter' fan even before I did the movies, and I thought I would never find a character or material I care about so deeply and personally as I did that, and then this came along and completely swept it all."

"Perks" is just one of a number of increasingly mature roles Watson has signed on to of late, which also include "The Bling Ring" and "Noah." But her co-stars say her "Perks" role will be the one that truly introduces audiences to the grown-up Emma.

"She's a brilliant actress, and this is a great debut for her outside the 'Harry Potter' series," Lerman said.

"This has been a really great choice for Emma, and the role couldn't be more perfect for her," echoed Dobrev. "It's different than 'Harry Potter.' She's showing everyone in the world that she's got a different side of her and that she's not just this one character. She's kicking butt and taking names."

For her part, Watson seems pleased and humbled to be in a film that will once again resonate with so many young adults.

"I don't think there will be one teenager who will watch this and not have one story or one moment that they don't deeply feel they can relate to," she said.

"The Perks of Being a Wallflower," also starring Mae Whitman, Paul Rudd, Dylan McDermott and Kate Walsh, opens in limited release September 21.

Check out everything we've got on "The Perks of Being a Wallflower."