Donna Sheridan is a fictional character from the musical and film Mamma Mia!. She is portrayed as a strong, independent woman who runs a small hotel on a beautiful Greek island. Donna is a former member of a pop group called Donna and the Dynamos and is the mother of Sophie Sheridan. In the story, Donna's past comes back to haunt her when Sophie invites three men, each of whom could be her father, to her wedding. Throughout the narrative, Donna navigates her relationships and confronts her history, showcasing themes of love, family, and self-discovery.