Jenni and Jane host an extended Woman's Hour this Christmas day with Claudia Winkleman, comedian Romesh Ranganathan and his mother Shanthi, BBC security correspondent Frank Gardner, scent expert Lizzie Ostrom, author of Perfume: A Century of Scents, drinks expert Alice Lascelles, author of Ten Cocktails: The Art of Convivial Drinking; Jeremy Lee, chef at London restaurant, Quo Vadis, Charles Collingwood, better known as Brian Aldridge in the Archers; children singing in a carol service at Holy Trinity Church in Coventry, two women, aged 100 and 102, talking about Christmases past and last, but not least, the London United Voices with choirmaster Tommy Ng. Show less