Brittany Perille Yobe, 27, is an Instagram fitness model whose obsession with shaping one of the world's roundest butts has earned her more than 862,000 followers

Five months ago, she hinted that she was working on a new body transformation. She's trying to hold a healthy body fat percentage "in order to try for baby," while the rest of us just do it for the love of pizza.

Sources: h/t Cosmopolitan