Gracyanne Jacobina Barbosa Vieira is a Brazilian fitness model and Carnaval dancer. Barbosa who had appeared on the cover of the Brazilian Playboy's February 2007 issue, also posed for the cover of Revista Sexy December 2011 issue . In 2012, photos of Barbosa squatting were uploaded to social media, followed by a workout video. Barbosa's ostensible squat weight (around 450 lbs) caused "an uproar on the bodybuilding forums for months",... see more