If you loved the fabulous black hat that Kate, Duchess of Cambridge, wore to the recent Trooping the colour celebrations, then next weeks tour of Canada is going to be a headwear treat for you. Kate has apparently ordered 5 hats from famous milliners Lock & Co. These are from the Sylvia Fletcher Hat-a-Porter range, the same range that rather fabulous black hat came from. The trooping the colour hat was called ´Lion Tamer´ and was also designed by Sylvia Fletcher. Her Hat-a-Porter range costs slightly less than the Lock & Co Couture range – showing signs that Kate is yet again being careful not to appear a spendthrift. Lock&Co already have the…