Dawn French was taken aback aback when a fan mistook her for Dame Joanna Lumley . The comedienne, 68, is best known playing the title role of Geraldine Granger in The Vicar of Dibley , while former model Joanna, 80, starred as boozy fashion magazine editor Patsy Stone in Absolutely Fabulous alongside Dawn's sketch comedy partner Jennifer Saunders. The TV star took to social media on Bank Holiday with a humorous video where she recounted the situation for her fans and followers as she appeared