She studied scholarship industrial engineering at the Sergio Arboleda University of Bogotá D.C.[4][1] Alongside her native Spanish, she also speaks fluent English and French.

At the end of the event, she gave Risaralda the second crown in the history of Miss World Colombia, beginning a preparation process with a view to the international pageant.

[5] On December 19, 2015, in the city of Sanya, China, López participated for the Miss World 2015 crown, with around 113 candidates from several countries and autonomous territories, where she did not qualify among the semi-finalists.

López represented Risaralda at the Miss Universe Colombia 2021 pageant, At the end of coronation night, she obtained the position of 1st Runner-Up, to the eventual winner, Valeria Ayos from Cartagena.

At the end of the event, Alejandra gave the first crown to the Coffee Region in the history of Miss Grand Colombia, beginning a preparation process with a view to the international pageant.