Thalía

Rosalinda is a pretty woman who sells flowers and decorates a fancy restaurant. One day, she meets Fernando José, a man of high social status. He plays the piano at the restaurant. They eventually fall in love, get married, and have a child named Erika, but his stepmother Valeria desires to split the happy couple up, and she has the perfect way of doing so. (Wikipedia)

Marimar is a poor young innocent girl who lives with her grandparents in a hut on the beach by the ocean. She falls in love with Sergio, the son of wealthy farmer Renato Santiago. Sergio agrees to marry Marimar despite the disapproval of his father and stepmother, Angelica, but along the way he falls deeply in love with her. (imdb)

A brave, poor young girl is welcomed into a rich family and develops a romance with their misogynist youngest son, driving a woman already in love with him to go to great lengths to destroy their relationship. (imdb)

María Mercedes, a poor girl who sells lottery tickets, meets a rich man who hates his own family and sees in María Mercedes an opportunity to make their lives miserable. (imdb)