Article Photos: Ke$ha: The all-American girl at charity concert



Ke$ha arrives at the 2013 Presidential Inaugural Charity Benefit, on Monday, Jan. 21, 2013 in Washington. (Photo by Stephen Boitano/Invision/AP)

Ke$ha arrives at the 2013 Presidential Inaugural Charity Benefit, on Monday, Jan. 21, 2013 in Washington. (Photo by Stephen Boitano/Invision/AP)