Purple princess: Kate pulls off another fashion triumph as half a million turn out in Canada (but she only has eyes for her prince)

By REBECCA ENGLISHRoyal couple attend concert in Ottawa as Kate dons stunning purple Issa Jersey dressHalf a million people lined the streets in searing 90F for Canada Day welcome paradeDuchess had recycled same white Reiss dress from official engagement portrait by Mario Testino Pretty in purple: Prince William and the Duchess of Cambridge took part in Canada Day celebrations on Parliament Hill