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"Mortal Instruments: City of Bones" star Lily Collins put her best foot forward at The Ivy in London in a pair of hunter green leather trousers from Whistles and bared her sensational abs proudly in a black crop top. The 24-year-old cutie finished off her killer outfit with a pop of red on her lips and a pair of black satin pumps. (08/19/2013)

Crop Top Cuties!

These celeb fashionistas are showing off their fab abs with a simple snip on the hemline of their blouses.