Snooki's Dramatic Weight Loss

The hard-partying "Jersey Shore" star reveals how she lost 50 pounds.
2:32 | 07/24/13

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Transcript for Snooki's Dramatic Weight Loss
now, burning up "the heat index." Snooki's transformation. She got famous as a hard-partying cast member of "the jersey shore." Now, she has a new look. Dropping weight, her nickname and drinking. All of the bathrooms were taken. Reporter: Ever since she exploded on the tv reality scene on "jersey shore," four years ago. Nicole polizzi's star has been on the rise. Now, 25. The pint-sized media mogul, who is about to begin start filming the new season of her show, "snooki and j. Wow" is embracing a new passion, fitness. How much have you lost? Probably 50 pounds. It took months to see results. Now, I'm at a steady 96. That's normal for my height. At this point, I don't want to lose weight. But I want to gain muscle because lorenzo keeps giving heavier. Did lorenzo inspire you to get healthy and fit? When I had lorenzo, I was like, I have to get in the film. I hardly drink anymore. All of the pounds I gained was from drinking. I eat a lot of chicken and vegetables. It's like where did snooki go? Snooki's gone. Nicole's here. Reporter: Did you have plastic surgery? Absolutely nop president I've never been under the knife. I never had anesthesia. I keep feeling that people said I had plastic surgery, that means I look perfect, right? If I have plastic surgery, I'm going to get boobs done. But I'm never going to touch my face. I look like I'm 12 anyway. Reporter: Nicole credits her body to trainer anthony michael, who she works out with four to five times a week. A perfect weight for her height. Reporter: She says he looks like a fifth grader and that's mow she should look. I'm the size of a fifth grader. Reporter: She may be the size of a fifth grader. But don't mess with her when it comes to working out. Can we stop? No. You like how you look right now? Yeah. I feel healthy. I like everything. And I feel great about myself. Reporter: For "good morning america," abbie boudreau, abc news, new jersey.

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

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