At that time, she was hired by the Vallejo Family to perform in La Caravan Corona, where she acted from 1971 to 1982. Alternated with singers like Celia Cruz, Enrique Guzmán, Mike Laure, Sonia Lopez and Dámaso Pérez Prado, among others. From there followed many seasons in the mentioned enclosure, accompanied by great orchestras besides a ballet of 18 dancers. In 1970 she worked with the comedian Adalberto Martínez 'Resortes' the Tenorio Comico in the Blanquita Theater. The television called her and participates in several programs like Sabadito Alegre, with Paco Malgesto, in which she remained by several months. In 1968 she entered the cast of the famous cabaret El Capri, where she worked alongside figures such as Yolanda 'Tongolele' Montes and Argentine vedette Zulma Faiad.

The year 1964 marks her debut in the Teatro Lírico of Mexico City, in which she alternated with prominent figures such as Tin Tan, El Santo and Sergio Corona among others. In the late 1960s her body became athletic and voluptuous, contrasting with the thinness it was in her early years, and undergoes an aesthetic operation of her nose that greatly increased her beauty. She also appeared in famous Mexican magazines such as Cinelandia, Cine mundial and Siempre, among others. She began her artistic activity when she was still a teenager, and little by little she became a place in the entertainment world acting in the main cabarets of the Mexican province. Rossy Mendoza was born in Vícam, one of eight Yaqui villages in southern Sonora, Mexico.

El festin de la loba