announcer: you'll also meet the co-founder of zumba fitness, colombian-born dance and fitness expert, beto perezas he comes face-to-face with some of zumba's biggest losers. >> wow, look at the pictures. and now look at her. [crowd cheers, applauds] >> male announcer: plus, take advantage of our special 3-for-free limited-time offer: three amazing gifts for you when

announcer: you'll also meet the co-founder of zumba fitness, colombian-born dance and fitness expert, beto perezmes face-to-face with some of zumba's biggest losers. >> wow, look at the pictures. and now look at her. [crowd cheers, applauds] >> male announcer: plus, take advantage of our special 3-for-free limited-time offer: three amazing gifts for you when you try our new exhilarate body shaping system. it's all happening right now with zumba fitness. [♪...] >> woman: we're here at the zumba fitness convention where

announcer: you'll also meet the co-founder of zumba fitness, colombian-born dance and fitness expert, beto perez he comes face-to-face with some of zumba's biggest losers. >> wow, look at the pictures. and now look at her. [crowd cheers, applauds] >> male announcer: plus, take advantage of our special 3-for-free limited-time offer: three amazing gifts for you when you try our new exhilarate body shaping system. it's all happening right now with zumba fitness. [♪...] >> woman: we're here at the zumba fitness convention where thousands of die-hard zumba fans have traveled from around the world to celebrate their life-changing success with zumba fitness. they've shed the unwanted pounds, flattened and toned their tummies, lifted their booties, and slimmed and firmed their thighs. they've lost inches from all over their bodies. they've gotten a lot healthier and sexier. >> i was watching the tv one day and saw an infomercial for zumba fitness and it looked like a lot of fun. so i bought the dvds and i lost 77 pounds. i went from a size 16 to a size 6. it has completely changed my life. i have more e