Coronation Street actress Kimberly Hart-Simpson has ended her year-long relationship with BBC star Nathan McMullen. The pair, who met while working on separate TV projects, announced their split after a year together. Hart-Simpson portrayed Nicky Wheatley on the long-running soap, while McMullen is known for his role in Doctor Who. The breakup was confirmed through a source, who stated the relationship had "run its course." The news comes as Hart-Simpson continues her career on screen, with no immediate plans to comment on the split publicly. The couple had been together since last year, but details about their separation remain limited.