Here’s real beauty. Modeling agency MiLK Model Management has signed 29-year-old plus-size model Tess Munster, AKA Tess Holliday. The model is reportedly the first model of her size and height (5’5”) to be signed to a major agency. But besides all that, Holliday is a vocal proponent of body diversity. Her effyourbeautystandards Instagram has over 74,000 followers, and 41,000 likes on Facebook.