: They became one of the show's most popular pairings.

: Both characters died following the Season 8 plane crash.

Because Lexie lacked teen storylines, her romantic narrative is entirely defined by her adult relationship with Mark Sloan.

: Flashbacks or dialogue about her youth center on her intellect and photographic memory, not high school boyfriends. ❤️ The Definitive Relationship: Lexie and Mark

: The show introduces Lexie as a medical intern in her twenties.

Teen Lexie Grey from Grey's Anatomy did not have any active romantic storylines or relationships.

: Their relationship was defined by a significant age difference.