In 1969, she was offered a position by her former boyfriend Brian Duffy as an assistant to costume designer Anthony Mendleson for the film Oh!
Her first credited work as a costume designer was for the David Bowie film The Man Who Fell to Earth (1976).
She worked often with director John Frankenheimer, including Andersonville (1996), George Wallace (1997), Ronin (1998) and Reindeer Games (2000).
[2] She received nominations for the Primetime Emmy Award for Outstanding Costumes for a Miniseries, Movie, or Special for her work on Lucy & Desi: Before the Laughter (1991) and Andersonville.
[3] Routh married production designer Brian Eatwell in 1983, and worked with him frequently until his death in 2007.