You’re Invited to President Obama’s 50th Birthday Party in Chicago! July 25, 2011 It's been an honor to have been asked to co-host events for The President of the United States over the last couple years (click here to see a clip), and I am excited to pass along the invitation to his 50th Birthday Party right here in our great hometown of Chicago w/performances by Jennifer Hudson, OK Go & Herbie Hancock! Click here for info! See you there!