While on stage with make-up maestro and good pal Mario Dedivanovic, the Keeping up With The Kardashians star admitted to what we consider as the biggest beauty sin, like, EVER.
Yep. Kimmy sleeps in her make-up.
The soon-to-be-mum-of-two told the audience that her beautifying regime, which involves brands such as Charlotte Tilbury, Anastasia Beverley Hills and Rodial takes a whopping FOUR HOURS so she regularly kips in her slap to save time in the morning.
"Sometimes I'm just so tired and I don't wash my face," she said "I sleep in my [eye] makeup when I travel."
Kimmy also revealed that she will only lay her sleepy head on a special kind of pillow case, recommended to her by her hairstylist. We dread to think how much one of these bad boys cost!
"I use black satin pillowcases," she said. "And if I'm sleeping on a flight and heading straight to an event when I land, I stop in the bathroom right after and touch up my foundation, but the rest is done."
Makes you feel a little less guilty about conking out after a night on the tiles though, right?
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