Ignacia Michelson

Biography

Ignacia Michelson Díaz (born July 10, 1993), also known as Nacha Michelson, is a Chilean reality television personality and beauty pageant titleholder. She is known for her appearances on the reality television programs, Resistiré, Acapulco Shore and Gran Hermano Chile. In 2026, Michelson entered and won her first beauty pageants Miss Universo Santiago and Miss Grand Chile 2026. She will represent Chile at Miss Grand International 2026.

== Early life and education == Ignacia Michelson Díaz was born on July 10, 1993. She initially studied psychology before changing her field of study to law. Michelson spent more than four years studying law but left university before completing the degree in order to pursue a career in entertainment.

== Career == Michelson began her career as a fitness model for Fox Sports. and later worked as a DJ while developing a large social media following.

=== Early television appearances === Michelson first appeared on the MTV reality series Acapulco Shore in 2015. Her initial participation was limited, but the programme introduced her to audiences in Mexico and Chile. She gained wider recognition in Chile through Resistiré in 2019. She subsequently returned to Acapulco Shore as part of its main cast and later appeared on Gran Hermano Chile and Mundos Opuestos. During this period, she continued working as a model and developed a substantial following on social media. Her growing online presence subsequently contributed to further opportunities in television and entertainment.

=== Resistiré === In 2019, Michelson joined the cast of Resistiré, a reality competition produced by Mega and MTV Latin America. She was announced as one of the programme's first participants and was described at the time as a model known for her work on Fox Sports. Michelson was the first contestant eliminated from the programme after her fellow participants voted for her departure. Despite her short participation, she remained a recognizable figure associated with the programme and continued to receive media attention after her elimination.

=== Acapulco Shore and modeling === Michelson returned to Acapulco Shore in 2020. She joined the main cast of the programme's seventh season and continued her work in modeling and entertainment. During this period, she also worked as a DJ and continued building her presence on social media. In 2022, Michelson appeared on the cover of the Mexican edition of Playboy, further expanding her work in modeling and entertainment media.

=== Gran Hermano Chile === In September 2023, Michelson appeared in the first season of the Chilean version of Gran Hermano. At the time of her entry, Chilevisión described Michelson as a model and influencer known for her previous appearances on Resistiré and Acapulco Shore. She was also working as a DJ and had previously studied law. Michelson remained in the programme for 50 days before she was eliminated.

=== Mundos Opuestos === In 2025, Michelson joined the cast of Mundos Opuestos on Canal 13, returning to reality television after her appearance on Gran Hermano Chile. Michelson later left the programme during its run. In October 2025, she discussed her decision to leave the reality show, citing health problems and allergic reactions among the circumstances surrounding her departure.