By Randy Miller
Updated Mar 02, 2013 @ 5:00 am
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Derek Lam, Sephora, Balenciaga
Credit: InStyle/Instagram

The InStyle editors brought our 279,000-plus Instagram followers with us everywhere this week, from New York to Paris! We posted snaps from Derek Lam's stylish and affordable DesigNation collection preview, from our first look at Sephora's Pantone-inspired polish, and from the front row at Alexander Wang's debut Balenciaga runway. See more of this week’s best photos in the gallery, and stay up-to-date with all of our chic shots by following us at @instylemagazine on Instagram.