As a young student, Araneta classified herself as a Gringa, noting that she was completely unable to relate to the Colombian culture, including its national dance, the cumbia.
[2] After high school, Araneta enrolled in Marymount College, Tarrytown, New York to continue her major both in psychology and the French language.
[3] During her stay in Colombia, Araneta learned the value of social work and became acquainted with the local Roman Catholic Church there to fund charities.
The first charity she helped manage was named "Banquet of the Millionaires" through the assistance of a famed Catholic priest, Father Rafael García Herreros (1909–1992).
Her victory under the department state of Nariño was notable for not having sent a candidate in twelve years while her travel visa permit to stay in Colombia was limited to two months.
Ultimately, she won the title and received the following grand total prizes: Accordingly, after winning Miss International 1960, the president of Marymount College, Irish Mother Superior Brendan Mairé McQuillan PhD, sent a formal letter to Araneta requesting her to choose a different school due to her active participation in pageantry, namely the swimsuit competition, deemed taboo at the time.
The parade float was titled "Lovely to Look At" and featured Araneta on top of large 17-foot tall fountain with surrounding nine basins of spraying water.
In the 48th edition of Miss International 2008, Araneta participated as one of the designated panel of judges during the pageant competition held in Macau, China.
She married Jorge León Araneta, a prominent Filipino businessman, at the Metropolitan Cathedral of Saint Peter in Santiago de Cali,[8] Colombia, together having five children.
In 2019, after fifty years of service, Supsup succeeded Araneta as the national director of the Philippine franchise of Miss Universe.