Madonna shows off her new look... the bare face of a woman in her 50s

By Sarah FitzmauriceBack to the beats: Madonna looked youthful but her eyes betrayed signs of ageing as she arrived in London earlier todayLess is more these days for Madonna.The singer, who has built her career on an ever-changing image, seems to have settled on a new one: bare-faced woman in her fifties.With almost no make-up, her hair scraped to one side and smiling broadly, she set off from