Whose zip crack?Whose zip crack?Ouch, these trews don't look too comfy.

Which cheeky star is stepping out with just a zip over her bottom?

For once it isn't Jodie Marsh.

The owner of these head-turning easy access kecks is usually a bit more wholesome...

Cheryl Cole Cheryl Cole

What are you playing at, Cheryl Cole?

The front of these breathable PVC trews is raunchy enough, but when the Girl Aloud star turns around, her rear view is even more shocking.

How does she go to the loo?

And do these semi see-through leggings split completely in two?

Guess only Chez and Ash know the answer to that one.

Have a look at some slightly better outfits from the wardrobe of Cheryl the "style icon" in our gallery below.