Christina Hendricks has revealed her friends can usually tell when she is nearby because she always wears the same perfume.
The 'Mad Men' actress explained she doesn't wear a lot of scent, but her close pals still smell her before they see her because of her distinctive perfume Premier Figuier by L'Artisan Parfumeur
She told People.com: "My friends are always like, 'Oh yeah, we knew you were coming,' Not that I wear that much of it!"
The 36-year-old flame-haired beauty revealed she goes to the hair salon "every six weeks" to ensure her naturally blonde locks don't show.
She added: "I have always felt sassier as a redhead. I don't even know what my real hair would look like at this point."
The actress - who plays Joan Holloway in the US TV series - also admitted she takes some style tips from her alter-ego, including sporting pencil skirts.
She said: "Wear pencil skirts. I have a fantastic black fishtail one from Banana Republic that I've been wearing for years.
However, Christina - who helped Dame Vivienne Westwood launch her flagship store in Los Angeles earlier this year - admitted to splashing out on "a truly beautiful dress, because even if it's expensive, it's a whole outfit" from time to time.
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