Cat Valentine is a fictional character from the television series Victorious and its spin-off Sam & Cat. Portrayed by actress Ariana Grande, Cat is known for her bubbly personality, bright red hair, and quirky sense of style. She is a talented singer and often expresses herself through her love for music and performing. In the show, Cat is a student at Hollywood Arts High School, where she showcases her artistic abilities. Her character is characterized by her kindness, innocence, and occasional naivety, making her a beloved figure among fans of the series.