Yo soy Betty, la fea ("I am Betty, the Ugly one") is a telenovela filmed in Colombia, written by Fernando Gaitán and produced from 25 October 1999 to 8 May 2001 by the Colombian network RCN (Radio Cadena Nacional). More than a dozen versions of the telenovela have been made in other countries. In the United States, both the comedy-drama hit Ugly Betty and Televisa program La Fea Más Bella are based on the Colombian soap opera.