"It's been really great," she says about making the film. "It's been a really good experience because it's kind of my breakout moment away from what people know me as, and it is more of an edgy role."
While author Nicholas Sparks says the role of Ronnie was written specifically for the multi-faceted star, Miley also says she had a real connection to the part.
"I think it's really important to look for roles that are challenging, but also something that you relate to and something that really captures your heart."
Watch the full exclusive behind-the-scenes clip of Miley on the set of The Last Song after the jump, and check out her new music video for 'When I Look At You' here. The Last Song opens in theaters on March 31.