Katy Perry has never had a single grey hair
Katy Perry doesn't have any grey hairs, although she has been dying her hair since she was 15.
The 31-year-old singer songwriter has admitted she hasn't spotted a single silver stray hair amongst her dark tresses "yet", although she has been colouring her locks since she was a teenager and wouldn't have noticed if an odd grey had of crept through.
Speaking to People magazine the 'I Kissed A Girl' hitmaker said: "I haven't spotted a grey yet - I've been dying my hair jet black since I was 15."
However, the raven-haired beauty has a relaxed attitude towards the ageing process , and believes visible signs of growing older shouldn't be feared by women.
She explained: "[Wrinkles] are not your enemy -- they're just proof that you've smiled."
And Katy has revealed she has stopped worrying about other people's perceptions of her and is embracing turning 40, although she still has a while to go until she reaches the milestone.
She explained: "In your twenties, you spend too much time worrying about what people think of you, and financially, can be sort of a mess.
"Your thirties are about independence, loving yourself as you are, financial freedom, consciousness, and good company. I heard your forties are even better."
Meanwhile, the California-born star has admitted she is willing to go to any painful measures and experiment with a variety of beauty treatments to keep her looking youthful.
She said: "My goals are: to be more SPF-conscious, experiment with facial peels and lasers, take control of the size of my pores, and continuing to try to choose healthy eating habits.
"I get lash extensions every two weeks from Lisa Mayer, usually at 7:00 am for 2.5 hours,"
"Pain is inevitable; suffering is my choice."
And Katie has revealed she wants to look like the American television personality Paula Deen when she gets older.
Speaking about her inspiration, she simply said: "Paula Deen."