Instagram Star Reveals Exercise Secrets

Jen Selter gained over 2 million followers sharing her workout routine and the results.
3:00 | 03/11/14

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Transcript for Instagram Star Reveals Exercise Secrets
We turn to that young workout queen finding instant fame on the web. Showing off on instagram and video right there. Bianna golodryga caught up with her to get some tips on staying in shape. ? I never had a trainer in my life. I just would follow the trainers when they were training someone, I would just -- yeah. Reporter: She is the self-made social media sensation of the fitness world. Perhaps you've seen her around New York City as she calls it seltering. With over 2 million followers on instagram and a quarter million followers on Twitter, 20-year-old Jennifer selter is a veritable internet phenomenon and started honestly enough. I'd be like why not take a selfie. It was one specific picture that started the madness. I took one of like a side of my butt. Yoga pants and that went viral. Reporter: You probably noticed she's less of a back side that would make Kim Kardashian blush but 2 million followers on instagram. Maybe it's the whole like girl next door look. I didn't have any girls living next door to me that looked like you. Reporter: She decided to demonstrate. How many of these do you do? Just do like a minute, break, minute break, side, side. Squat. Your gluts. How many do you do? Three sets of 12. Reporter: What does one eat to maintain a body like that? So what's your guilty pleasure. Chock. Dark chocolate. Do you eat carbs? Oh, yeah. Reporter: Pizza? No. Reporter: Cereal. No. Ice cream. Sometimes. Everything in moderation, right. For "Good morning America," bianna golodryga, ABC news, new York.

This transcript has been automatically generated and may not be 100% accurate.

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