Marta Díaz was born in Sevilla on 30 October 2000,[2] but she moved to Madrid.[3] She is the sister of David Díaz, a YouTuber known as AlphaSniper97,[4] and they appeared on videos alongside TheGrefg.
She took horse riding and assisted to horse tame.[3] In 2018 she finished Spanish Baccalaureate, then she did Selectividad, but she left her studies and focused on the content creation on social media, specially on YouTube and TikTok.[5] In 2019 she wrote Todo lo que nunca te dije, published by Libros Cúpula.[6]
In 2022 she was awarded by Forbes as Best Lifestyle Influencer, and in 2023 she got the Ídolo Lifestyle Award.[7][8] On October it was released the docuseries La vida de Marta Díaz, by Prime Video and produced by Mediaset España and Producciones Mandarina.[9][10] In January 2024 she attended the fourth season of El desafío, television programm in Antena 3.[11]
Between 2019 and 2023 she was in a relationship with Sergio Reguilón, a Spanish footballer who played for Sevilla FC, Tottenham Hotspur Football Club and Atlético de Madrid.[4] In 2025 it was confirmed she is dating streamer Marlon Lundgren Garcia.[12][13]
She will fight on La Velada del Año VI against influencer Tatiana Ker at Estadio de La Cartuja on 25 July 2026.[14]
