The professional said she was "always moving forward" in her last ever post on Instagram. 2 Jessica Rivera recently died in Mexico Credit: Instagram/jessica_riveraifbbpro2 Rivera competed in the International Fitness and Bodybuilding Federation Pro League Credit: Instagram/jessica_riveraifbbproRivera was well known in the International Fitness and Bodybuilding Federation Pro League. She recently died in Mexico, Generation Iron reported on Monday. The athlete posted on Instagram for the final time on May 14. Rivera often posted pictures of herself showing off her muscles in the gym on her social media accounts.