Kiara Liz Ortega Delgado was born in San Juan, Puerto Rico, daughter of Beatrice Delgado and Faustino Ortega. Kiara began studying acting at the age of 12 when she entered the José Julián Acosta y Calvo specialized acting school in Old San Juan where she remained until she was 17 years old.

At the age of 25, she was crowned Miss Universe Puerto Rico, representing the island in the Miss Universe Pageant held in Thailand in 2018 where she was positioned among the 5 most beautiful women in the world. Once her reign ended in 2019, she signed with One Management Modeling Agency in New York, where she remained working as a model for several months before returning to Puerto Rico to debut as an actress in her first professional play, Cállate.

In 2020 she was part of the reality television broadcast by Univisión, Mira Quien Baila (MQB) where she won first place in the competition. In the same year, she debuted as a backstage host of the new reality show also broadcasted by Univision, ¿Quien es la Máscara? On December of 2020 Kiara Liz was working on the set of the Yale Productions movie "Panama" with a supporting role as Camila.