 Natalia Streignard and Juan Pablo Raba star as the protagonists with Hilda Abrahamz as the main antagonist.My fat beauty tells the story of Valentina Villanueva Lanz (Natalia Streignard), a sweet and pleasant young woman but with serious problems of overweight who will face great obstacles to achieve her happiness.Its history dates back approximately twenty-five years ago; his family was then one of the most important and distinguished in Caracas , and was made up of his parents, Luis Felipe Villanueva (Manuel Salazar), and his wife, the famous singer Eva Lanz de Villanueva Mimí Lazo); his paternal uncle, Juan Ángel Villanueva (Flavio Caballero), and his great-uncle, don Segundo Villanueva (Carlos Márquez).