In the books, Alison has an identical twin sister ... with Aria, Spencer, Emily, and Hanna (whose relationship with Caleb is seen by many as the best relationship in "Pretty Little Liars ...
The Pretty Little Liars universe is the gift that keeps on ... “Team 1 is Emily and Hannah, and Team 2 [is] Aria and Spencer,” she added. If you loved Noel and Aria's relationship, this ...