Zygouli is considered as one of the highest-paid Greek models. She has graced the covers of many international fashion magazines such as Harper's Bazaar, Madame Figaro,Marie Claire, France's Elégance and Vogue. Her advertisement jobs include Longchamp,Nivea, Pantene,Folie Folie and others. Zygouli has been represented by various different fashion agencies around the world : Next New York IMG Paris Place Hamburg PS Munich View Barcelona-Madrid Chic Sydney Scoop Copenhagen Time Zurich Place Model Management Next Model Management - Paris Time Models Women Direct - Milan Storm Models - London Wiener Models PS Model Management East West Models Storm Models Image Management ( Mother Agency ) PS Model Management Wiener Models East West Models Chic Management Next Model Management L.A. Models
She was voted model of the Year 2003 and 2004 (Greek: Μοντέλο της Χρονιάς) by the Greek fashion industry.
Zygouli was also one of the three finalists that ERT (Greek national broadcaster) considered as a potential co-host with Sakis Rouvas for the Eurovision Song Contest 2006 in Athens, Greece. The one they chose was Greek-American TV presenter Maria Menounos.
Katia just finished shooting for the film "Dangerous Cooking" (Greek: Επικίνδυνες Mαγειρικές) which is based on the book "Les Liaisons Culinaires" by Andreas Staikos.This film is her first attempt as an actress,and she co-stars with Georges Corraface and Konstantinos Markoulakis Epikindynes mageirikes(Making of )
Personal life
She is in a relationship with the Greek pop singer Sakis Rouvas. She gave birth to their daughter on November 2, 2008.The little girl was baptized Anastasia,after her father.