Kendall and Kylie moved gracefully into their teens by 2010. Kendall donned combat boots, a wardrobe essential for any teenage girl, while Kylie rocked the ripped jeans and Converse look. Photo: Getty Images
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At the 2010 Teen Choice Awards, Kendall and Kylie both went glam - the elder sister in a blouse and high-waisted skirt combo and the younger in a ruffled dress. Kendall ditcheed heels for her trusty pair of combat boots. Photo: Getty Images
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At the 2010 Easy A premiere, the duo looked sweet in a classic color scheme and pinned back hair. Photo: Getty Images
