One hundred celebrities have been on a genealogical mystery tour and there have been shocks and surprises, laughter and tears. Who Do You Think You Are? has taken viewers on a journey through the past lives of family favourites such as Bruce Forsyth, Patsy Kensit, Jeremy Clarkson, Boris Johnson, Ainsley Harriot, Davina McCall, Graham Norton, JK Rowling, Barbara Windsor, Stephen Fry, Natasha Kaplinsky, Gary Lineker and Nigel Havers, to discover stories of heroism and happiness, as well as pain and personal tragedy. From workhouse to royal palaces, prisons to parliament, brothel to bedlam, the series has found heroes, villains, royalty and rogues.