Kylie Jenner joins sisters Kourtney and Khloe as they pose in eye-wateringly tight waist trainers - Mirror Online

#xa; The trio were without Kim and Kendall as they got hard at work defining those already impressive abs

Kylie Jenner joins sisters Kourtney and Khloe as they pose in eye

Kourtney Kardashian - News, views, pictures, video - Irish Mirror

Kylie Jenner highlights her stunningly taut tummy and slimmed-down

Kylie Jenner poses with sisters Kourtney and Khloe Kardashian

Kylie Jenner joins sisters Kourtney and Khloe as they pose in eye

Kylie Jenner joins sisters Kourtney and Khloe as they pose in eye

Kylie Jenner and Travis Scott slammed by fans for 'classless

Kylie Jenner flaunts her curves in formfitting dress while out

Kylie Jenner joins sisters Kourtney and Khloe as they pose in eye