when does lexie grey join grey's anatomy
Lexie Grey Alexandra Caroline "Lexie" Grey,[1] M.D. is a fictional character from ABC's medical drama television series Grey's Anatomy, portrayed by actress Chyler Leigh. Created by showrunner Shonda Rhimes, the character is introduced in season three as protagonist Meredith Grey's younger half-sister, who has transferred to Seattle Grace Hospital as a new surgical intern after her mother's sudden death. Lexie is eventually named a surgical resident in season six. Leigh was originally contracted to appear for a multi-episode story arc, but ultimately received star billing from seasons four to eight.[2] Leigh has also reprised her role as Lexie on the spin-off show Private Practice.[3][4]