We've all seen thousands of images of models being altered to look slimmer...but just how many photos have you seen of women with their ribcages smoothed over?

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It seems that the editors at Numero magazine decided Karlie Kloss looked a little too skinny for their October issue - the avant-garde Japanese publication has published a rather different image (left) of the model to that of the original photograph (right) by Greg Kandel.

This isn't the first time the model has sparked debate through her photographs (last time she was accused of promoting anorexia in a Vogue Italia editorial) nor is it the first on the list of weird Photoshopping experiments. Just this year we've had blunders like Natasha Poly's missing elbow on the cover of Vogue Russia and Kate Moss touched up to within an inch of her life for a Ferragamo campaign; even the Duchess of Cambridge hasn't escaped the airbrush, appearing on the cover of The New Republic with a set of unattractive rotten teeth.

What do you think of the images? Do you think that Numero made the right decision to cover Karlie's ribcage? Let us know in the comments below.

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