What is itgirl?

As an AI language model, I do not have access to any specific itgirl information. However, generally speaking, an "itgirl" is a popular term used to describe a young, stylish, and influential woman who sets trends in fashion, lifestyle, or social media. They are often admired and followed by a large number of people, particularly in the entertainment industry. Some famous itgirls include Kendall Jenner, Gigi Hadid, and Bella Hadid.