CHICAGO, IL - APRIL 14: Grammy Award-winner Colbie Caillat performs at a fundraiser for President Barack Obama at Navy Pier April 14, 2011 in Chicago, Illinois. The event was one of three fundraisers the president attended today in Chicago to help raise money for his 2012 re-election campaign. Tickets for the events ranged from $100 to the legal maximum of $35,800.  (Photo by Scott Olson/Getty Images)