Barack and Michelle Obama have always worked hard to ensure their daughters Malia and Sasha enjoyed privacy away from the spotlight, despite growing up in one of the world's most famous homes, the White House.MORE: Michelle Obama shares sad news about relationship with Sasha and MaliaAnd while Malia and Sasha Obama have rarely been seen out in public over the past few years, the pair, along with their parents, are this week's cover stars for People magazine.Malia and Sasha have been spending the