Hollywood actress Drew Barrymore has vowed never to go under the knife, insisting she is more interested in watching her body change as she grows older.

'I'm so curious as to what's going to happen naturally that I can't imagine wanting to alter things just yet,' femalefirst.co.uk quoted her as saying.

'And to all those women putting botulism in their faces - we don't know what the long-term effects are, so stop! I'd rather look like a basset hound than do that to my face!' she added.

While talking about her directorial debut 'Whip It', she said it is about a teenager who loves Roller Derbys but is pushed into beauty pageants by her mother. This closely reflects her relationship with her own mother.

'I tried to create the kind of relationship that I would have wanted with my own mother. In the film, the mother is really into pageants, while the daughter hates them, and I understood that dynamic,' she said.

'My own mum cared about Hollywood and I didn't. A lot of the pain in the relationship between the mother and daughter came from my own experiences, and sections of their dialogues are verbatim conversations that took place between me and my mum,' she added.