Miss Universe 1972 , the 21st Miss Universe pageant , was held on 29 July , 1972 at the Cerromar Beach Hotel in Dorado , Puerto Rico . Kerry Anne Wells earned Australia 's first Miss Universe crown . Georgina Rizk of Lebanon , was not allowed to crown her successor due to government restrictions because of fears of a terrorist attack . Lebanon did not compete in 1972 and Georgina could not be there to crown Miss Universe 1972 . Wells was crowned by Miss Universe 1970 , Marisol Malaret of Puerto Rico and Miss Universe 1971 1st Runner-Up Toni Rayward
Miss Universe 1970
Miss Universe 1970
Miss Universe 1972