What makes random people always feel the urge to compare me to certain characters/celebrities? (Ugly and beautiful) Is there any study about this phenomenon?

Everytime I go to a big intervention, there is ar least one person that tries to tell me how I look. Its not always the same character, nor is it always a compliment. Its also many random people that I have either never met before or people that don’t know other people who compared me before. Its getting to a point where it feels like a social experiment. Can it just be the way of the human brain categorizing information by familiarities, leading to direct comparison or is it something else? Please do not answer with "well you might have an interesting face." I want to know the psychological reason behind it. I wasn’t able to find related studies