Pretty Little Brother: Guess Which Liar's Sexy Sibling This Is (PHOTOS) 2 of 2 Previous Autoplay Next Share Tweet July 6, 2013 at 09:00AM EDT by Alissa Kombert Related: Pretty Little Liars, Gossip, Hollywood It Girls, Shay Mitchell, TV Stars, Emily Fields full size Credit: Tumblr Shay Mitchell and Sean Mitchell It's Shay Mitchell's (Emily) younger brother, Sean. What a hunk! Did you guess right? Let us know in the reaction buttons below. Catch the next episode of Pretty Little Liars on Tuesday, July 9, 2013 at 8 p.m. ET/PT on ABC Family.