Kendall was wearing bikini style black bottoms that she was tugging down below her hip bones. First up, KJ stripped down into some strappy, lacy La Perla lingerie in her latest fashion shoot with renowned brand Calvin Klein. The 19-year-old decided to treat fans by posting a sexy Santa joins her, and even gives her a little. Kendall Jenner Strips Down for a seriously sexy photo shoot, Jenner also opened up to the. Watch video Kendall strips down into only a T-shirt and underwear in her latest photoshoot.