Greeicy remained in Cali for the first five years of her childhood, until her parents, Luis Alberto Rendón and Lucy Ceballos, decided to move to Bogota.

[2] Her first onscreen appearance was in the 2007 edition of the reality show for talent children's Factor Xs, being sponsored by the singer and composer José Gaviria.

[4] Her first role as an actress was in 2009 in the telenovela, Cuando salga el sol as Carolina Parra, the daughter of the main couple.

[15][16][17] In 2014, she was announced as the youth protagonist of the telenovela La ronca de oro,[18] based on the life of the Colombian singer, Helenita Vargas.

On 23 December 2021, Greeicy and Mike Bahia announced through a collaboration called “Att: Amor” that they were expecting their first child together.