Madonna and her son David took to the streets of Paris on Wednesday to deliver an impromptu performance, which included a cover of John Lennon's "Imagine," to honor the victims of the Nov. 13 terrorist attacks in the city. The 57-year-old Queen of Pop and her son, 10, one of her four children, both sported furry hooded jackets as they performed in Paris' Place de la République in the chilly cold with guitarist Monte Pittman. They were accompanied by several passersby who sang along. she honored the victims and their families with a passionate speech about violence and world peace.