Obama hears 'Happy Birthday' from Jennifer Hudson, Herbie Hancock, OK Go and thousands more
Obama, who turned 50, used celebration as an opportunity to raise money for his 2012 re-election campaign. Attendees paid anywhere from $50 to $35,800 to go to the event at Chicago's historic Aragon Ballroom.
For a little extra fun, watch Obama's former Chief of Staff Rahm Emanuel, the current Mayor of Chicago, decline Hudson when she brings the microphone toward him.
Here's the video...