'I am a serious actress and will prove it': Lohan

Lindsay Lohan hopes her forthcoming movie 'I Know You Killed Me' will show the world she is a serious actress - because she's fed up with her party animal reputation.

The 20-year-old recently spent a month in the Wonderland rehab centre in Beverly Hills, California - but now wants her work, and not her lifestyle, to make the headlines.

And the star believes her performance as a kidnap and torture victim in 'I Know You Killed Me' will help her achieve that aim.

She says: "I don't think there has been a role for an actress like this movie was for me in so long.

"At first I was like, 'I can't do this, I'm getting my legs cut off. I don't want to look like that in scenes, I want to look decent.' But that was just me being young and stupid.

"And I have my first sex scene in it, which I always said I wouldn't do. I wanted to do this movie so people can see that I'm a f**king actress and I've been doing it forever and it's about time people see that. It felt so good to really act. I just pray people won't rip me apart for it, and be negative.

"The thing with the press, and why they need to leave me the f**k alone for a little bit, is because I don't want that distracting from my work.

"I want to get a nomination. I want to win an Oscar. I want to be known for more than, like, going out. For being the 'party girl'. I hate that. I bust my ass when I'm filming and when I have time off, yeah, I like to go out and dance."