The Girls Aloud singer and bandmates is stripping down for the group's raciest shoot to promote the band's new single "Untouchable".
It's a far cry from the girl-next-door image that they cultivated when they formed in 2002.
The group have since become the most successful British girl band ever with 20 consecutive top ten hits. Their latest single is also expected to equally successful.
Their latest album Out Of Control has already sold 750,000 copies and they have sold more than six million records in total.