But just when we thought her buffness could only be the result of a.) her slogging it out at the gym for hours on end, or b.) the fact she won the genetic lottery, she dished up all her sculpting secrets. And turns out, it’s actually pretty darn doable.
“It’s high-intensive interval training, but it’s so quick, it’s over before it’s even started!” she told Vogue.
Yup, the 22-year-old has such a jam-packed schedule – with performing and touring and the like – that she only works out for 15 mins at a time.
Her go-to moves to get the heart-rate going?
Jumping jacks, mountain climbers and burpees. In fact, she even goes so far as to credit these exercises with getting her through the intense, high-energy shows she’s famous for.
“I’m still trying to see what my boundaries are and how far I can push myself and when I need to rest,” she added.
And when she's not feeling these cardio classics, she gets the gloves on.
“I love boxing in my spare time,” she recently admitted in a YouTube clip. I like doing it for fitness I like doing it just to kinda clear my mind. I really enjoy it.”
Just 15 mins to sculpt cheese grater abs? We're officially on board.