AceShowbiz -

A twin is coming to Rosewood. "Pretty Little Liars" series creator I. Marlene King teased the upcoming twist with a picture she posted on Instagram Monday, March 7. There's no word in which episode the twin will be featured for the first time, but King promised it would happen "Soon. So soon."

The photo features a pair of little blonde girls holding similar dolls, and another pair of dolls with darker locks. Fans then began speculating on which character that has a twin. amyamos.02 wrote, "Definitely Ali." kylzmumof5 commented, "I have no idea. Ali? My theory before was spencer but this girl is blonde so dunno."

Soon. So soon. #Twins on #prettylittleliars. #prettylittletwins

Foto kiriman Marlene King (@imarleneking) pada Mar 7, 2016 pada 8:05 PST

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King first confirmed the twin twist in February. "There is a twin. You will meet this person soon. Within a few episodes," she wrote on Twitter in response to a fan's question whether there would be a twin on the show.

"Pretty Little Liars" airs Tuesdays at 8/7c on Freeform.