Cali and Noelle Sheldon were the pair of twins who played Emma Geller-Greene, daughter of Rachel and Ross. They were the third and final pair of twins to play the role, taking over at the end of the ninth season and continuing throughout the tenth.
- Entertainment Tonight -- Friends' Baby Emma Is All Grown Up short interview with the twins from 2015.
- Cali Sheldon at the Internet Movie Database
- Noelle Sheldon at the Internet Movie Database