<p>For Alice Keppel, it was all about appearances. Her precepts were those of the English upper classes: discretion, manners and charm. Nothing else mattered - especially when it came to her infamous affair with King Edward VII.<br>As the King's favourite mistress up until his death in 1910, Alice held significant influence at court and over Edward himself. But it wasn't just Edward she courted: throughout her life, Alice enthusiastical...