Kendall Jenner, Lauren Perez & Hailey Bieber Get 'Sweaty' for

Kendall Jenner just wore the tiniest aqua bikini and trucker cap

Hailey Bieber, Sarah Staudinger, Kendall Jenner, & Lauren Perez at the Lakers game in Los Angeles

Kendall Jenner and Hailey Bieber leaving Pilates in Los Angeles

Kendall Jenner Works Out In Navy Bodysuit With BFF Hailey Bieber

Bella Hadid & Hailey Bieber Hit The Gym In Crop Tops: Photos – Hollywood Life

Kendall Jenner, Lauren Perez & Hailey Bieber Get 'Sweaty' for Birthday

Kendall Jenner wore a daring dress covered in cutouts to a wedding

Supermodel Kendall Jenner's insanely revealing dress at Lauren Perez wedding

Kendall Jenner & Longtime Best Friend Lauren Perez Workout At Hot Pilates Before Hitting Earthbar

Kendall Jenner just wore the tiniest aqua bikini and trucker cap

Hailey Bieber stays warm in a puffer jacket and sweatsuit while out for breakfast with Lauren Perez in Aspen, Colorado-161223_9