Katie Betzing is a popular American 'YouTube' personality. She has gained fame mostly for the fashion and beauty-related content she posts on her self-titled channel. Formerly known as ‘Beauty Guru Girl,’ the channel now has an impressive subscription base. Most of her videos have received millions of views. She is equally popular on other social-media platforms, such as 'Instagram' and 'Twitter.' Katie also owns a merchandize line, which she trades on an online shopping site.