Kourtney Kardashian shows off trim figure as she wears waist-trainer

Kourtney Kardashian wore a waist-trainer in a selfie she shared with fans on Instagram on Saturday. Kourtney, who gave birth to her third child, son Reign on December 14, paired the bright waist trainer with black leggings and a black halter-neck top. she captioned the picture.

'I am pretty much the queen of multitasking,''Obsessed with anything where I am doing more than one thing at a time, especially since I skipped the gym today.' 'A little Saturday morning waist cinching and working on my posture while cleaning out my closet. Thank you @premadonna87 @waistgangsociety for my obsession!!!'