Queen Elizabeth II on the Australia tour

Britain's Queen Elizabeth II waves from the catamaran 'Pure Adrenalin' during the royal boat tour along the Brisbane River on October 24, 2011. Tens of thousands of well-wishers packed the banks of the Brisbane River, engorged just nine months ago with floodwaters that submerged 30,000 homes in Australia's third-largest city, to catch a glimpse of the queen. (AFP)
Queen Elizabeth II receives flowers from previously conjoined twin Trishna as her guardian Miora Kelly holds her sister Krishna at the opening of the new Royal Children's Hospital on October 26, 2011 in Melbourne, Australia. (GETTY)
Queen Elizabeth ll and Prince Phillip, Duke of Edinburgh pause to talk to War Memorial Council member and former federal politician Graham Edwards, who lost both legs during the Vietnam war, during a visit to the Australian War Memorial on October 25, 2011 in Canberra, Australia. (GETTY)
Britain's Queen Elizabeth II (3rd R) is accompanied by General Peter Cosgrove (2nd R) as she observes a minute's silence at the Tomb of the Unknown Soldier at the Australian War Memorial in Canberra on October 25, 2011. Loud cheers from well-wishers greeted the queen when she had finished her sombre remembrance of Australia's fallen soldiers. (AFP)
Residents line the Riverside freeway to see Britain's Queen Elizabeth II as she passes on the catamaran 'Pure Adrenalin' during the royal boat tour along the Brisbane River on Oct 24, 2011. Tens of thousands of well-wishers packed the banks of the Brisbane River. (AFP)
Queen Elizabeth II, center, and Prince Philip, second right at back, attend the Presentation of the Colours to the Royal Military College, Duntroon, in Canberra, Saturday, Oct 22, 2011. The Queen is on her first visit to Australia since 2006. (AP)
Queen Elizabeth II, left, meets Australian basketball player Liz Cambage, 6 ft 8 in (2.03 m) tall, at a Parliamentary Reception at Parliament House in Canberra on Friday, Oct 21, 2011. (AP)
Australia's Prime Minister Julia Gillard, center left, shakes hands with Queen Elizabeth II as she enters a room in Government House in Canberra, Australia, Friday, Oct. 21, 2011. The Queen is on her first visit to Australia since 2006. (AP)
Queen Elizabeth II and Prince Phillip, Duke of Edinburgh enjoy a cruise on a navy barge on Lake Burley Griffin on October 20, 2011 in Canberra, Australia. The Queen and Duke of Edinburgh are on a 10-day visit to Australia and will travel to Canberra, Brisbane, and Melbourne before heading to Perth for the Commonwealth Heads of Government meeting. (GETTY)
Queen Elizabeth II speaks to members of the armed forces as she arrives on October 19, 2011 in Canberra, Australia. The Queen and Duke of Edinburgh are on a 10-day visit to Australia and will travel to Canberra, Brisbane, Melbourne before heading to Perth for the Commonwealth Heads of Government meeting. This is the Queen's 16th official visit to Australia. (GETTY)
Queen Elizabeth II is introduced to the Australian Parliament Speaker of the House, Harry Jenkins, right, by Governor-General Quentin Bryce, center, at Fairbairn airforce base in Canberra, Wednesday, Oct 19, 2011. The Queen is on her first visit to Australia since 2006. (AP)
Queen Elizabeth II greets the crowd along the Brisbane River on October 24, 2011 in Brisbane, Australia. The Queen and Duke of Edinburgh are on a 10-day visit to Australia and will travel to Canberra, Brisbane, and Melbourne before heading to Perth for the Commonwealth Heads of Government meeting. This is the Queen's 16th official visit to Australia. (GETTY)