Cos Chez's worth it!

Byline: FIONA CUMMINS

EXCLUSIVESUCCESS really has gone to Cheryl Cole's head - her lustrous locks and stunning features have just landed her a pounds 500,000 deal with L'Oreal Paris.

The X Factor judge will front a major TV ad campaign for the prestigious beauty label, starting in autumn.

Cheryl will also feature in glossy magazines and on billboards. And she is likely to promote L'Oreal Paris make-up and other beauty products once the haircare campaign gets under way.

It's an incredible coup for the 26-yearold Girls Aloud star, who is following other famous beauties including Beyonce, Linda Evangelista, Jane Fonda and Jennifer Aniston in promoting the brand.

SASSY A source told the Mirror: "Cheryl is a beautiful, sassy girl who is just perfect for this particular job. She is everything that young women aspire to.

"She has amazing skin and hair and had everything L'Oreal was looking for - even though she is a singer and not a professional model."

But it does mean that Cheryl, who is married to footballer Ashley Cole, won't be able to dye her hair any more wild shades - like the plum of two weeks ago. Or chop and change her style, as of old.

A close pal revealed: "Cheryl dyed her hair for a magazine fashion shoot but went back to brunette within a couple of days."

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PRETTY SMART Cheryl's looks and liveliness landed deal