ShowbizJoanna has best bedtime voiceEvening Standard Reporter11 April 2012Joanna Lumley has the ideal voice for a bedtime story, says a survey.The Ab Fab star beat TV presenters Fiona Phillips, Davina McCall and Coldplay's Chris Martin.The results, in Bella magazine, coincide with Chatterbox Challenge Week, helping children with speech difficulties. See www.chatterboxchallenge.org.ukMORE ABOUTChris MartinColdplayDavina McCallFiona PhillipsNewspapers And MagazinesPeople Magazine