Dolly Castro is a Nicaraguan fitness model who has attracted over 3.1 million Instagram followers and more than 70,000 Twitter fans. Before launching her modeling career, she attended Christian University Nicaragua. Her Twitter posts include numerous pieces of fitness advice for her fans. Born and raised in Managua, Nicaragua, she later relocated to Miami, Florida. She has a daughter named Karen who also has a strong Instagram following. She and beauty pageant winner Cristiana Frixione are both well known Nicaraguan models. ^[1]