American singer Katy Perry arrives for the MTV Latin America Awards in Guadalajara October 16, 2008.[Agencies]

Katy Perry has vowed not to follow in Britney Spears' footsteps.

The "I Kissed a Girl" singer - who is dating Gym Class Heroes star Travis McCoy - insists she has no intention of letting fame go to her head.

When asked how she would stop herself copying Britney, who had a public breakdown earlier this year, Katy replied: "You have to be really strong-headed to survive in this industry.

"If you are going to get into it, lose your vices because they are not something you should have - especially if you are in the public eye. Eat your vegetables, take your vitamins and be discerning about the people that are around you.

"Know who is a creep and who is not, who is there for the right reasons and who is not there for the right reasons."

Katy, famous for her unique outfit choices, also explained where she gets her fashion inspiration from.

She added: "I have a fascination with all things 40s and the way women had a poise and a unique look. They were more put together and cared how they presented themselves.

"Everybody had their own kind of deal, it wasn't like walking robots wearing one label or having to wear one thing because it was the coolest, trendiest thing. I think that's why I make so many daring choices with my style, because it goes to show that you don't have to be like everybody else."

(Agencies/China Daily October 27, 2008)