Rumer Willis has blasted ''stick-skinny'' actresses.

The 21-year-old daughter of Bruce Willis and Demi Moore is disgusted by "young Hollywood" because it promotes the idea you need to "see your bones through your skin" to be considered beautiful.

The budding actress told BANG Showbiz: "I think that in general, especially in the last few years in the younger generation, the idea of perfection that has developed in Hollywood is wrong. There needs to be a shift in that."

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"I have two younger sisters in high school and they talk about image all the time. Girls need to have a better body image. The stars out there now, they don't need to be stick-skinny to the point you can see their bones through your skin. It's not a good look."

"You don't need to be like that to be beautiful or perfect or to fit in. What you are is exactly what you should be. You can't let other people dictate your life or tell you how to feel about yourself because then you're not living."

Rumer – who stars in upcoming horror film "Sorority Row" – has vowed to devote her career to being a "positive" role model for "normal" girls.

She explained: "One of the most important things that I would love to do if I get to continue doing this job is to be a really positive role model for young women about their body image and about eating. I want to start giving girls a better body image."