Miss World finalist Mariana Bridi da Costa loses hands and feet | The Sun |News A STUNNING Miss World finalist had her hands and feet amputated after contracting a killer bug, according to reports. Doctors carried out the drastic surgery on Mariana Bridi da Costa after she was struck down with a urinary disease which can be fatal. Her boyfriend Thiago Simoes said 20-year-old Mariana fell ill on December 30 but was initially misdiagnosed with kidney stones. The infection quickly spread causing her to go back to hospital for tests that revealed her condition. Septicaemia set in her limbs, cutting off circulation and forcing doctors to amputate her hands and feet. Her father, Agnaldo da Costa, told a Brazilian newspaper that "the concern is over her life". Mariana twice made it to the national finals of the Miss World contest and last year travelled to China to participate in the Miss Bikini International pageant.