But the 21-year-old actor just proved she can bring that magic to her workouts, too.

Sounds pretty simple, right?

Spoiler: They struggled.

Kiernan Shipka Is Practically Levitating In This Video of Her Leg Curl Workout - NEW YORK, NY - OCTOBER 15: Kiernan Shipka attends Build Series to discuss the series “The Chilling Adventures of Sabrina” at Build Studio on October 15, 2018 in New York City. (Photo by Manny Carabel/WireImage)

Photo: Getty Images

Somehow she nailed it with ease on herfirst trytoo, Pasternak wrote in hispost.

(Remember whenSophia Bush conquered this leg workout with a smile on her face?)

(Here’s anotherno-equipment leg workout you might do at home.)

Looking to work up your hammie strength before jumping into these leg curls?