amater: Wow Factor: There's no disguising Cheryl Cole as she arrives for book signing in tight camouflage trousers

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By MAIL ONLINE SHOWBIZ REPORTER

Attention!: Cheryl Cole looks radiant in khaki satin shirt, camouflage-style print skinny jeans and high-heeled sandals as she arrives at her book signing today at Waterstones in London's Piccadilly

She might be wearing camouflage trousers - but there's no way Cheryl Cole was ever going to blend in with the crowds when she arrived at her book signing earlier today.

The glowing star rocked up to Waterstones flagship bookstore in London's Piccadilly to meet her fans and inscribe the fly leaf of her first book - Through My Eyes.

And the X Factor judge certainly had the 'Wow Factor' in her tight khaki trews, glossy chestnut hair, shiny caramel satin shirt and metallic strappy sandals.

Cheryl curl: The star looked fully-recovered from her bout of malaria with glowing skin and glossy hair

Pen to paper: Cheryl was launching her autobiography Through My Eyes by singing copies for fans

There to greet her were dozens of screaming fans, many of whom had queued overnight for a chance to glimpse the star.

Dedicated fans staked their pitch at around 4pm yesterday to camp out, but kept their spirits high through the chilly temperatures by singing some of the pop star’s hits.

Gissa cuddle, pet: Cheryl hugs a fan who's queued up to get her book signed

Die-hard fans: Cheryl Cole followers started camping 21 hours before she arrived

The morning after: Following their night on the street, the fans woke up still excited for their meeting

Some admitted to photographers that they had skipped school for the event, without telling their parents, while others had even travelled from as far as Scotland to meet the X Factor judge.

And the happy campers made sure to keep warm last night in I Love Cheryl Cole shirts and their sleeping bags.

While one even wore a Cheryl Cole face mask while holding on tightly to the highly anticipated autobiography.

Happy Campers: A queue of fans tucked into their sleeping bags for a long cold night ahead

Passing time: The fans played cards and had a few drinks to wait for Cheryl to arrive

During the night, they passed the time by playing cards, having a few drinks and snacking on McDonald’s takeaways.

The 27-year-old Parachute singer is signing her autobiography as it hits shelves around the country.

Her book reveals how she’s slowly finding her feet as a solo artist after moving on from Girls Aloud and addresses her friendship with Derek Hough.

Tight security was surrounding Waterstone’s in preparation for the star, after Leona Lewis was attacked at a similar event last October.

Cheryl’s security team has apparently been beefed up to prevent a repeat of last year's events.

The 25-year-old Bleeding Love star was allegedly punched in the side of her head while she was signing autographs in the store.

But any worries didn't stop Cheryl getting up close and personal with fans, and gave a few a cuddle.