She won the International Emmy Award for Best Actress in 2023 for her role as Mariel Saenz in the television movie La Caída.

Her grandmother, Elba Silva, was an assistant cook for the Rockefeller family for 20 years after immigrating to New York City from Chile in the 1960s.

[3][4] Having lived in Aspen, Colorado, until she was eight years old, Souza credits her grandmother's immigration to the United States as the reason she has an American passport.

While still in France, Souza auditioned and was selected to participate in the French reality TV show Star Academy, however, she turned down the offer after receiving an invitation to study at London's Central School of Speech and Drama.

[citation needed] Souza gave a TEDx talk in León, Guanajuato, on March 21, 2015, titled "Sweet are the Fruits of Adversity."