Pretty Little Liars
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Season 7 episode 12 of Pretty Little Liars will introduce viewers to a new character named Addison who may or may not be someone the Liars should keep a safe distance from.

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Addison is a high school student who resembles Alison, and the promo for Tuesday's episode shows her butting heads with Emily. Addison is on Emily's swim team and doesn't hold the coach in high respects.

"What do you need, an x-ray? My head was throbbing, listening to your rusty whistle wasn't going to help," Addison tells Emily when she confronts the student for missing practice.

"You're off the lineup for Saturday's meet," Emily responds. "You sure you want to do that?" Addison says.

Shay Mitchell
Reuters

Interestingly, Alison too seems to feel Addison is a younger version of herself.

"Is it just me or is she…" Emily starts.

"She's worse. At least when I threatened adults I looked up from my phone," Alison says.

Another scene from the promo shows Addison evesdropping on Alison and Emily as they talk about the latter's pregnancy.

The final episodes of the series will explore who Addison really is and whether she's related to AD.

The official synopsis for Season 7 episode 12 reads: "Emily butts heads with teenager Addison, who appears to be a new version of high school Ali, and who may be connected to a familiar foe. Spencer confronts her mother about keeping family secrets. Aria confides in Holden about her relationship with Ezra, while Spencer turns to Detective Furey for help. And Jenna stirs up even more trouble when she returns to Rosewood with some insight into Noel Kahn and recent events."

Pretty Little Liars airs Tuesdays on Freeform.