Courtney Ardolino is a 15-year-old girl and the main protagonist of A Girl and Her Diary. She has a diary and it was pink.
- Hector Ardolino (brother)
- Her favorite band was 5 Seconds of Summer.
- Her favorite singer was Cyndi Lauper.
- Her favorite show was Liv and Maddie.
- Her favorite movie was Pan's Labyrinth.
- Her favorite teen magazines are Seventeen, Teen Beat Magazine and Teen Scene.
- Her favorite clothing brands are Aeropostale, Hollister and American Eagle.
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