Kendall Jenner Channels Legendary Designer Karl Lagerfeld for Halloween, Prepares to Celebrate 20th Birthday

Kendall Jenner stayed true to her calling this weekend, when she channeled legendary designer Karl Lagerfeld for Halloween. Donning white hair, dark shades, and careful details like his blazer and gloves–as well as dark sunglasses–Kendall Jenner called her costume “Lady…