Solange Magano, a former Miss Argentina, left her twin eight-year-old girls at home in Cordoba when she traveled to Buenos Aires for buttock implants.
After the routine surgery called a gluteoplasty, she began having severe breathing problems and was rushed to the hospital where she died from a blocked lung artery after spending three days in intensive care.
Her close friend and fashion designer Roberto Piazza said the brunette had become obsessed with her looks as her successful modelling career approached its end.
He said: 'Solange was a girl who had everything. She lived the life of a goddess, she was the envy of everybody.
'Now she is dead because she wanted a slightly firmer behind.
'She died because of her obsession with beauty.'