Jen Selter has a butt that defies all logic and physics. She arguably has the most famous butt since Kim Kardashian became a celebrity, accruing a following of 2 million on Instagram alone, and launching the hashtag seltering, which refers to her signature move.

 Popping her butt while using various props to put her feet and hands on. Start on all fours, hands shoulder-width and knees hip-width apart. Keeping your feet flexed and knee bent, open your left leg out to the side until your inner thigh is parallel with with the floor. Read more here: