Katy Perry Dons Racy Patriotic Ensemble for Kids’ Inaugural Ball

Katy Perry brought more than just "Fireworks" to inauguration weekend.
The 28-year-old singer donned a patriotic ensemble as she performed at the Kids' Inauguration Ball on Saturday in Washington, D.C. The racy, curve-hugging one-piece she sported may seem an odd choice for entertaining a few thousand children and their parents, but at least she didn't sport her whipped cream-spewing bra, right?
Perry appeared alongside Usher and the cast of "Glee" at the fete, which was hosted by First Lady...