Alison DiLaurentis

Alison DiLaurentis is a main character in the series and the best friend of Hanna, Aria, Spencer, and Emily. In the television series she was the Queen Bee of Rosewood High School, before mysteriously disappearing only to be found dead a year later.

She is portrayed by Sasha Pieterse.

Physical Appearance
Alison is described as extremely beautiful, with a heart-shaped face framed by long blond waves and big, bright blue eyes. Every girl wants to be her and every guy wants to date her.

Television Series
Alison is the most beautiful and popular girl in Rosewood, and is the envy of many. She goes missing, presumed dead and after a year her body was found at Maya's house; formerly Alison's. Alison shot a video of herself and Ian before she went missing. "A" managed to show the Liars the entire video of Ian apparently choking her to death.

Ian Thomas

 * Started: Before Pilot
 * Ended: Before Pilot
 * Reason: Her death.

Friends
Alison is the ring-leader of her group of friends, which consists of Hanna, Aria, Spencer, and Emily. Alison disliked Mona Vanderwaal, who her friends constantly made fun of. Alison treats Hanna like her lackey and Emily is hinted to be more than a friend.

facts

 * Died of suffocation, which is revealed in "The Jenna Thing", and mentioned in "For Whom the Bell Tolls".
 * Is responsible for Ian's, Jenna's, and her twin sister Courtney's deaths in the books.
 * Is dead in the TV series, but is alive in the books.
 * Is the reason of Hanna's bulimia in the books.
 * She, along with the other Liars blinded Jenna Marshall as a prank, intended for Toby Cavanaugh.
 * Is BFFs with Naomi and Riley in the books.
 * Kissed Emily Fields.
 * Ian's and her relationship was known by Spencer Hastings, ( but the mystery guy being Ian wasn't established until "Careful What U Wish 4").
 * Spencer's is the only one that could ever stand up to her.
 * killed her twin sister courtney and framed the four girls