1 of 4
KYLIE JENNER, KOURTNEY & KHLOÉ KARDASHIAN
You know what they say, the family that wears festive holiday-themed waist trainers together … we're not going to finish that sentence.
2 of 4
How does Khloé stay in shape? By eating right, working out regularly and (if her Instagram is to be believed) waist training all day err' day. “I don't believe in numbers,” she recently told PEOPLE. “I don't believe in one size fits all. As long as I can lay my head down at night, that's all that matters. It's not about fitting someone else's standards.”
3 of 4
The “queen of multitasking” sports her bright blue cincher while cleaning out her absurdly huge shoe closet, proving you really can sneak in a “workout” at any time.
4 of 4
Even the youngest member of the Kardashian-Jenners has tried out the corset (and took a selfie, of course). In the snapshot, the 18-year-old wears the colorful shapewear (which is covered in mini cartoon Kylies, no less), claiming she wore it while walking her pups. “Nothing wrong with a little extra help,” she informed followers.