Becky McDonald

While the Eleventh Doctor was trying to drop off Dermot O'Leary at the National Television Awards in 2011, he accidentally overshot by a year. The Doctor saw a blonde woman outside the Rovers Return, where she told him it was over between them. (NOTVALID: National Television Awards Sketch 2011)

Behind the scenes
Katherine Kelly, who played Becky, also played Miss Quill in Class, though the character was not named in the story. Additionally, she was not depicted as a fictional character in the story.