BBC's Anglophenia blog has instructions for dressing as Donna Noble, from Series 4 of Doctor Who. Donna, played by Catherine Tate, is a good choice for redheads who feel a bit too mature for Amy Pond but don't have the curly hair for River Song. Click through for the post.
Catherine Tate- 'Donna Noble' (Doctor No 10).She became "Dr Donna" and half time lady when she touched The Doctor's regenerating hand. After she and The Doctor saved the world he had to consume her energy and wipe her mind. She couldn't remember anything about her travels with him in the end.
Doctor Who: Donna Noble Cardboard Standup Donna Noble, friend and travel companion of the Tenth Doctor from the popular science fiction TV show Doctor Who Size. This life-size cardboard standup is x tall.