Snooki's weight loss happened after she had her baby. The before and after pictures show that she was able to miraculously lose 42 pounds. Overall, she's looking slim and fit in her new 98 pound frame. She was "supposedly" able to accomplish this feat by using a pill called Zantrex-3. Who know though... It wouldn't be the first time one of the Jersey Shore cast members endorsed some random supplement. Anyway, here's Snooki before and after weight loss.