Pretty Little Liars: 9 Things That Still Have Us Scratching Our Heads From the Finale

CeCe/Charlotte never gave any indication that she knew she was adopted. In fact, she seemed pretty convinced that she was a member of the DiLaurentis family. Isn't it strange, though, that her moniker was CeCe Drake? It can't be coincidence that her birth mother shares the same name. Were they in contact? Did Charlotte know more than she let on? What's the deal?