Callison

The friendship between Chelsea Owens and Allison Foster began in the first book of the Double Trouble: The Final Year called, Senior Year.
Chelsea & Allison 	Chelsea & Allison
 	
General Information	General Information
Intimacy Level 	Friends
Friendship Started 	Senior Year 
==Friendship History==
Chelsea Owens transferred to Santa Mira High School along with fellow students Ethan Ford and Dean Cameron
==Trivia==
*Chelsea and Allison's mothers are friends.
*Chelsea is also friends with Allison's twin sister, Kate.
*They both sit with Kate at Lunch and Nutrition.
*They both graduated in the final episode of the Double Trouble: The Final Year series.