Credit: Shay Mitchell's Instagram Photo: Shay Mitchell When She Was 16

We're starting to think Shay Mitchell (Emily) is a vampire. This girl does not age! Hey, it wouldn't be the craziest thing to happen in the land of Rosewood.

Pretty Little Liars actress took to Instagram yesterday (May 16), posting an old photo of her and her pretty little besties. She wrote, "Wow... Just found this photo of my two besties and I @ 16yrs old."

are you guys on board with our vampire theory? Take a good look at Shay's high school pic and then spew all of your thoughts (and envy) in the comments below!

Pretty Little Liars
Season 4 premieres on Tuesday, June 11, 2013 at 8 p.m. ET/PT on ABC Family.