Kendall Jenner showed off her incredible figure on Instagram Stories as she worked out with a gal pal in a private Alo yoga gym on Friday.The 27-year-old supermodel - who was also spotted on Thursday with her best friend Hailey Bieber as they left a hot Pilates class in Los Angeles - flashed her abs in a tiny blue bra top and black leggings.While striking a pose in front of a floor-length mirror, the 818 Tequila founder threw up a peace sign as she displayed her taut abs and long legs next to a friend, who sported brown hoodie. Working on her body: Kendall Jenner looked every inch the cover girl as she worked out with a friend in a private gym on Friday The Keeping Up With the Kardashians alum hid her face behind her large cell phone, in order to keep the focus squarely on her flawless figure.