The twins who played Emma on Friends are 18 now
Noelle and Cali - who are 18 now, by the way, - appeared on the hugely popular sitcom as Emma in 2003 and 2004. They were just one year old at the time.
United States Matthew Perry Chandler Lisa Kudrow Phoebe Matt Leblanc Joey David Schwimmer Ross Cali Sheldon
Source: her.ie