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Katy Perry

Joe Raedle/Getty Images

Now, this is the way to ring in an inauguration.

Dolled up in a red, white and blue one-piece, Katy Perry hit the stage at the 2013 Kids' Inaugural Concert  Saturday at the Washington Convention Center in Washington, D.C., rocking the house with a star-spangled performance. 

Michelle Obama, Sasha Obama, Malia Obama

BRENDAN SMIALOWSKI/AFP/Getty Images

"I'm very proud to be here...and to see the Obamas and the Bidens here for four more years," Perry said, according to the Washington Post

First Lady Michelle Obama and her daughters Sasha and Malia were in the audience dancing and throwing their hands up as the "Firework" singer performed hits like "Teenage Dream" and "Wide Awake" at the event that honored America's military families. 

"Now, inauguration is a pretty big deal," said the First Lady, who hosted the event with Jill Biden, "But I have to tell you that my very favorite part of this entire weekend is being right here with all of you."

Usher also was on hand for the concert as well, performing "Yeah!," "Without You" and "O.M.G."