Michelle Obama took a walk down memory lane on Thursday with an emotional Instagram post which sparked a huge reaction from fans. The former First Lady of the United States of America posted a photo of herself and her husband, Barack Obama, and their daughters, Sasha and Malia. MORE: How Barack and Michelle Obama dealt with daughter's very difficult health diagnosisIn the throwback image, the family were wrapped up against the cold and beaming for the cameras. WATCH: Michelle Obama opens up about life without daughters Malia and SashaShe explained the reason behind the photo in her post, which had fans commenting with strings of hearts and crying emojis. "I'll never forget the day that Barack announced his candidacy for president in Springfield," she wrote. "February 10, 2007 was bitter cold — about 12 degrees.