Blanca signed a contract with NEXT Model Management after she was accidentally discovered by an agent. She started working as a model with NEXT Model Management and became "Female Model of the Year" in February 2014, at the 59th edition of the Mercedes-Benz Madrid Fashion Week, for her elegance. In the same year, she appeared in the cover magazines of Telva Yo Dona, and CYL Magazine.
As the fourth Spanish model after Eugenia Silva, Esther Cañadas, and Clara Alonso, Blanca walked the Victoria's Secret Fashion Show. After her successful career as a model, she appeared in campaigns for Dolce & Gabbana, where Juanpa Zurita and Lais Ribeiro also worked as a model.
Blanca has also walked for Academy of Art University, Anna Sui, Akris, Andrés Sardá, Alberta Ferretti, Barbara Bui, Anthony Vaccarello, BCBG Max Azria, Balmain, Blumarine, Chanel, Cédric Charlier, Dior, Delpozo, DSquared2, Dolce & Gabbana, Giorgio Armani, IRFE, J. Mendel, Max Mara Maxime Simoëns, Noon by Noor, Moncler, Paul & Joe, Oscar de la Renta, Porsche Design, Reed Krakoff, Ralph Lauren, Prabal Gurung, Roland Mouret, Salvatore Ferragamo, Versace Victoria's Secret., Valentino, and Zuhair Murad, etc.
Blanca is a Spanish by nationality and belongs to white ethnicity. She is in a relationship with her boyfriend Alejandro García, a waiter in London. The couple seems happy with their relationship and has shown no any sign of break up. However, she has not talked about her plans for getting married. Also, apart from her current relationship, she has not been reported of being in an affair in the past. Further, as an unmarried girl, questions regarding her husband or children is irrelevant.
Blanca is one of the popular Spanish models who earn a huge amount of money from her professional career. She has worked for numerous modeling agency through which she must have collected a huge amount of money. Her net worth as of 2018 is estimated to be $7 million.