Courtney DiLaurentis is Alison DiLaurentis's identical twin sister who appeared in the Pretty Little Liars book series, but not in the television show. In the books, Courtney is sent to a mental institution by her parents, who mistakenly believe she is Alison. The mix-up plays a significant role in the overall storyline.
No. Courtney is dead
The real Ali killed her twin Courtney. Courtney was friends with the Pretty Little Liars. Ali didn't like Courtney.
Courtney is alison's twin sister, who pretended to be her
You find out about Courtney in the book Wanted.
Courtney was in the hospital because she had mentel issues.
Courtney
Ali (the real Ali) kills Courtney.
Courtney isn't in the TV show
Courtney Phillips is really amazinggg. You can pretty much consider her better than you!
Courtney wants to pretend to be Alison meanwhile Courtney was supposed to be in a mental hospital
Because Courtney was taking over Ali's life.
Courtney stole Ali's ring :) hope it helps