Bertoldi was born in
Sunchales, Santa Fe in
Argentina. After moving to
Buenos Aires, she formed the band Marilina Connor Questa in 2010, as the lead singer alongside Hernán Rupolo (guitars), Martín Casado (bass) and Facundo Veloso (drums), replaced by Agustín Agostinelli in 2011. The band released the
EP Marilina Connor Questa the same year independently. In 2011, they released their debut studio album
Somos por Partes, which was promoted through
YouTube and with different performances in
Córdoba and
Santa Fe. After changing the name of the band to Connor Questa in 2013, they released their second album
Fuego al Universo (2013), produced by Gabriel Pedernera from
Eruca Sativa and recorded at MLC Records. In 2015, the band announced on their
Facebook page that the band would split after facing "great conceptual differences about the present and the future of the band". During her career with Connor Questa, she released her first solo studio album
El Peso del Aire Suspirado (2012), followed by
La Presencia de las Personas que se Van in 2015, both influenced by her experiences with separations in her life and family. On April 26, 2016, she released her third album
Sexo con Modelos with "Cosas Dulces" and "Y Deshacer" as the album's singles. The project received a nomination for
Best Rock Album at the
17th Annual Latin Grammy Awards and won Best Female Rock Album at the
19th Annual Gardel Awards. Her fourth album
Prender un Fuego was released on October 3, 2018 with production from Brian Taylor and mastering by
Matt Colton. The album was nominated for the
Latin Grammy Award for Best Alternative Music Album while at the
21st Annual Gardel Awards, the album won Album of the Year, also named Gardel de Oro (Golden Gardel), becoming the secong female artist to receive the award and the first in almost 20 years after
Mercedes Sosa won in 2000. In 2022, she released her fifth solo album
Mojigata. The album was nominated for
Best Rock Album at the
23rd Annual Latin Grammy Awards, being Bertoldi's third
Latin Grammy nomination. ==Personal life==