Ahead, see what sets each face shape apart and learn exactly how to determine your own. Meet the experts: Prem Tripathi, MD, is a board-certified facial plastic surgeon based in Alamo, California.

Streicher says that a main characteristic of a square or diamond face (FYI: pros have combined these two since they are super close in shape) is an even shape that's as long as it is wide.

Ahead, see what sets each face shape apart and learn exactly how to determine your own. Meet the experts: Prem Tripathi, MD, is a board-certified facial plastic surgeon based in Alamo, California.