Santa María was born in
Lima on , to Danilo Santa María, from
Trujillo, and Judith Smith, from
Canada. The second of three sisters, she grew up in the San Antonio neighbourhood of the district of
Miraflores, at a house in Roca y Boloña avenue. She attended the Colegio Nuestra Señora del Carmen, a Catholic private school in the district, as did her sisters Liz and Sandra. Her father's sister Judith was an educator. Santa María was a
vegetarian from a young age. She began modelling at the age of six, which her father did not approve, and landed her first TV commercial shortly thereafter. At the age of eleven, she starred in a TV commercial for a popular shampoo named "Ammen". When she turned 13, she became the face of a well-known Peruvian cosmetic company, . After finishing high school in December 1989, she briefly appeared in
Chiquiticosas, a TV show. In March 1990, she was the first of 300 women in total who auditioned to be one of the hostess of a new children's TV show
Nubeluz, being immediately picked for the role. She was joined by her friend and fellow model,
Almendra Gomelsky, hosting the show from late 1990 to early 1994, which became one of the most popular TV shows of its time. Both were known as the
Dalinas, a
portmanteau from
dama linda ("Pretty Lady"). Santa María was known as the "Dalina chiquita" and was by far the most successful hostess in the show, earning the most money out of them all. Santa María started her studies at the
Centro de Desarrollo Gerencial, a teaching centre of the
University of the Pacific in June 1990. Despite her outstanding grades, she was forced to abandon the centre in August 1992 due to the TV show's popularity, which forced her to go on tours around the country. ==Personal life==