Today in Pictures: Dec. 18, 2012

Queen Elizabeth II poses with British Prime Minister David Cameron and cabinet ministers in The Pillared Room at Number 10 Downing Street to attend the Government's weekly Cabinet meeting, Dec. 18, 2012 in London. The Queen's visit to the weekly Cabinet meeting as an observer is the first time a monarch has attended the meeting since Queen Victoria's reign. (Jeremy Selwyn-Pool/Getty Images)