Chelsea Davenport

Chelsea Willow Davenport is one of the four titular protagonists of Girl Lab Rats. She's Lea, Bree and Audrey's sister and Douglas' youngest daughter, and Donald's second youngest daughter.

Trivia

 * Chelsea is the second Davenport sister to date a villain before his true nature was revealed (Sebastian) preceded by Lea
 * However, unlike Marcus, who did still have romantic feelings for Lea, Sebastian does not.