If someone had been living under a rock for the past few years, they would only need to look at Joan Smalls's Instagram feed [1] to figure out what a selfie is and find all the different kinds that one could possibly take. The Puerto Rican supermodel takes every opportunity she has to snap a picture of herself. From behind-the-scenes shots at photo shoots with a few supermodel friends to bathroom-mirror selfies, Joan has mastered and even created a few selfie types. These are her best snaps.