Popsugar Fashion Models Models and Designers at Fashion Parties | Feb. 17, 2014 The Style Set: This Week's Best Dressed February 20, 2014 by Justin Fenner First Published: February 17, 2014 View On One Page Photo 43 of 46 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 43 Derek Blasberg and Karen Elson The fashion writer and the supermodel were also on hand to celebrate the launch of Cara Delevingne's bag line with Mulberry. Previous Next Start Slideshow Fashion NewsRed CarpetModels