Kendall Jenner joins her friends Hailey Bieber and Gigi Hadid on the bob hairstyle trend, showcasing the fresh chop in a series of sultry high-fashion Instagram photos. See photos Kendall Jenner joins her friends Hailey Bieber and Gigi Hadid on the bob hairstyle trend, showcasing the fresh chop in a series of sultry high-fashion Instagram photos. See photos