Methody College Belfast student introduces US First Lady
17 June 2013 Last updated at 11:14 BST
Hannah Nelson, a 16-year-old, introduces the First Lady of the United States, Michelle Obama.
Speaking to invited guests at Belfast's Waterfront Hall, Hannah said that "for peace to be a reality, we all need to take responsibility".
The Methodist College Belfast student then welcomed Mrs Obama, to a massive cheer.