I always call these things toilet-paper trains.
Seriously, there is nothing more pointless to me than looking like you got something caught in your panties, unless that thing which got caught in your panties is Jon Hamm. Otherwise, where is the design in this? She doesn’t even look like she should be at a fashion designers’ event. This is not CFDA; this is JS:UT, otherwise known as Jersey Shore: Urine Time.