Shay Mitchell isn't thinking about that number on the scale -- because she doesn't even know what it is!

The Pretty Little Liars star covers the March issue of SHAPE, and inside the magazine, reveals that she's never weighed herself. 

"For me, exercise is all about getting stronger. It's not about weight," she shares. "I've never even weighed myself. I don't think you can trust the scale." 

"Exercise is about how I feel. I have more energy when I work out. It makes me amped for the rest of the day, and I feel strong," she added. 

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Mark Williams + Sara Hirakawa/SHAPE

As much as she loves to exercise, the 30-year-old actress also loves to indulge, admitting that she's all about creating balance in her life. 

"I think having healthy skin [also] comes from being happy and having a balanced life. I work hard, I play hard; I eat a lot, I work out a lot," she says. "I'm not the kind of person who says 'I eat pizza' but then doesn't really eat it. I eat the pizza! And I don't stress out about it."

"I've learned that as long as you're moving, you can have the food you want," she continues. "Every one of us has insecurities. I have a whole bunch of them, but I don’t dwell on them. Instead I focus on my strengths. After all, what’s the worst thing that can happen if you try something new and it doesn’t work out? So what?"

That confidence has allowed Mitchell to pursue different opportunities, no matter how much they may scare her. "You don’t know what you’re going to be good at until you do it! The same goes for travel: Explore the world; don’t be afraid of it. Get out there and be adventurous -- that’s my life motto," she expresses. 

See more on Mitchell in the video below. 

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