Alexandra Holden as Elizabeth Stevens – Then
Elizabeth Stevens was Ross’s girlfriend in Season 6. After he gets his anonymous teacher evaluations back, he realizes that he has a secret admirer who turns out to be Elizabeth. She asks him out and he agrees (inappropriate, much?) and while they have a great time, they realize that it’s against the rules to date a student.
Instead of calling it off, they decide to hide their relationship. At some point, Ross has to impress her father, Paul (played by Bruce Willis) who ends up dating Rachel. By the end of it, Ross decides that she’s too immature and breaks up with her.