when does lexie come on grey's anatomy
Lexie Grey Alexandra Caroline "Lexie" Grey,[1] M.D. is a fictional character from ABC's medical drama series Grey's Anatomy. Created by series producer Shonda Rhimes, the character was portrayed by actress Chyler Leigh from the third through eighth seasons. She was introduced as a surgical intern in season three. Serving as Meredith Grey (Ellen Pompeo)'s half-sister, Lexie transferred to the fictional Seattle Grace Hospital after her mother's sudden death, and was eventually named a surgical resident. Leigh was originally contracted to appear for a multi-episode story arc, but received star billing in the fourth season.