When Martin Luther King Jr. said that he had a dream, I wonder if he was talking about Katy Perry’s “Teenage Dream”? Whether the voluptuous Pop star and her patriotic ensemble were part of his vision, she still got the opportunity to celebrate history at a children’s inauguration concert last evening.

When it comes to timely promotion, few people do it better than Katy Perry. Indeed, with just hours to spare before the debut of ‘Katy Perry: Part of Me 3D’, the singer-songwriter hit the stage on Macy’s 4th of July Fireworks Spectacular to plug the film.