|“||You know us...we always find our way back to each other.||”|
— Charlotte to Alison
Chalison is the pairing between Charlotte DiLaurentis/CeCe Drake and Alison DiLaurentis. They are best friends. As a friend, CeCe was like an older sister to Alison and also a mentor towards her. But when it was revealed that CeCe was actually Charlotte, Alison's sister, they became even closer until Charlotte's death. CeCe met Alison at Cape May and started dating her brother Jason DiLaurentis. In Game Over, Charles it is revealed that CeCe is Charlotte DiLaurentis (formerly Charles) and therefore Alison and her are cousins.
Single Fright Female They first appear together in a flashback when CeCe was telling a story to Spencer about Paige McCullers and Alison. The flashback shows Alison and CeCe in car waiting for Paige to ride up on her bike. They were talking about how Alison stole paper from Emily's room and wrote Paige a note telling her that Emily is in love with her but ends up being a trap for Paige. Afterwards Alison and CeCe drives off with the letter in Alison's hand.
Emily gets an old notebook of Alison's with a conversation written in it between CeCe and Alison about the Beach Hottie and her visiting Toby Cavanaugh in Juvie confronting him about the A letters she received. Emily ask her about it and it cut to a flashback where CeCe is at The Crab Shack and she sees Alison. She goes over to her and talks to her. Alison reveals that she is 2 weeks pregnant with Beach Hottie's baby. Alison cries and tells CeCe if she tells him, he would kill her. When she asked Alison if she use protection she said not the whole time.
Emily and Jason both find picture of Alison, CeCe and Wilden on his boat, later revealed to be taken by Melissa Hastings.
CeCe finds Alison at the Fritzgerald Theater in New York. CeCe tells Alison that needs her help. Alison and CeCe are at a diner. Noel Kahn is with them. Noel hands over to CeCe Alison’s fake passport and ticket along with some money. Alison says that this might be the last time they see each other. CeCe assures her that they’ll find each other again. Alison later tells Emily that CeCe was never Red Coat, and in fact it was CeCe who distracted A, while Alison turned off the saw mill to save Emily in "Now You See Me, Now You Don't". Alison also reveals that she repaid CeCe for protecting Emily in Ravenswood by giving CeCe her fake Vivian Darkbloom passport. CeCe is on the run from the police for Darren Wilden's murder.
- Ali got CeCe kicked out of UPenn at a frat party.