The whole concept of a celeb being a Hot Mess implies that it's a rare occurence. They're typically put together. We rarely see them with a hair out of place.
So giving Vanessa Hudgens that status because she stepped out looking like a gypsy from the '80s headed from the gym to a drum circle isn't exactly fair. It's not that the Spring Breakers star is always a fashion disaster, but we're not exactly surprised to see her in this crazy combo.