Jess Day is a fictional character from the television show New Girl, portrayed by actress Zooey Deschanel. She is known for her quirky personality, upbeat attitude, and distinctive fashion sense. Jess is a teacher who moves into a loft with three single men after a rough breakup, leading to various comedic situations. Throughout the series, Jess navigates friendships, romantic relationships, and her career while maintaining her optimistic outlook on life. Her character often emphasizes themes of friendship, love, and personal growth, making her a relatable figure for many viewers.