In a behind-the-scenes video on the set of Downton Abbey from the Season 5 DVD and Blu-ray (out January 27), the show’s makeup and hair designer, Nic Collins, explains how she transformed the characters’ looks as they enter the ankle-revealing, jazz-playing, julep-drinking 1920s.

Courtesy of PBS Distribution

Related: Downton Abbey Season 5, Episode 3 Recap