How to get Cheryl Coles lovely wavy hair style?

i've live in the UK and been watching this years XFactor and i just love Cheryl Coles hair style, like Cheryl i have long brown hair but i just cannot manage to get her lovely wavy style. Does anyone know how to create this style? How to get Cheryl Coles lovely wavy hair style?
Get some big rollers, put them in over night (uncomfy i know) then let them out. It really works :)

mascara