The guest stars for the final episode of the current series of 'Ugly Betty' have been announced.
'Face/Off' star Gina Gershon, 'The West Wing' star Kristin Chenoweth and Mexican star Angélica Vale appear in the season finale, 'East Side Story'.
Chenoweth plays Betty's (America Ferrera) orthodontic technician Diane; Vale plays her assistant and Gershon reprises her role as cosmetics icon Fabia, and returns to Mode to torment her arch enemy Wilhelmina Slater (Vanessa Williams).
The episode airs on US TV on 17 May.
