But, they didn't go all out during the first family's last night at the White House . In fact, they had a rather mundane evening, according to former First Lady Michelle Obama. According to the Today show, during a question-and-answer session last week at the America Institute of Architecture convention in Orlando, FL, the former FLOTUS revealed how 18-year-old Malia and 15-year-old Sasha spent their last hours in the White House.