On 10th of July 2004, Grettell got married to Patricio Borghetti. Patricio Borghetti is an actor and he also handles soundtrack department. As a loving spouse, they welcomed their first child in 2008. Though they were happily married, they got divorced in 2010.
After Grettell dissolved her first married life, she spends a single life for several years. From 2015, she was spotted with Horacio Pancheri having romantic love affairs with him. She has been dating him since 2015 as her boyfriend.
Gtettell had a good looking face and figure since her childhood days. As a child, she dreamed to be an actress and fashion model. During her early 20s, she was able to accomplish her dream in acting by starring in the TV series Sin ti. Next year she made special appearance in the TV series Ángela where she played the role of Eloisa Chamuca. In 1999, she starred in the TV series like Por tu amor and Infierno en el Paraiso. She made her feature film debut in 2000 by portraying the role of Iris in the movie El duende del reloj. She has been earning lucrative amount of salary and her net worth is said to be around $1.5 million dollars.