Samantha Cameron, the wife of Britain's Prime Minister David Cameron, poses for a photograph with a tray of cakes, in Downing Street, central London March 5, 2013. Cameron baked the cakes, with her children, in support of Red Nose Day, which is on March 15. The cakes will be sold to staff at Downing Street to raise money for the charities supported by Red Nose Day.[Photo/Agencies]