Peggy Yovana O'Brien (born c. 1988 in Santa Cruz de la Sierra) is a Bolivian model and beauty pageant titleholder who won Miss Bolivia Earth 2010 and represented her country at Miss Earth 2010 but unplaced."Miss Tierra Bolivia aporta su granito de arena para salvar el planeta ", Los Tiempos, 3 December 2010, retrieved 2011-07-31"Esta noche se elige a Miss Bolivia 2010 ", Los Tiempos, 26 August 2010, retrieved 2011-07-31
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