What is the history of belly buttons in Hollywood? Why did they become popular, and why is it now a fashion statement for celebrities to have them exposed (and sometimes even pierced)? -
![As Katie Holmes shocks navel-gazers... the ins and outs of a beautiful belly button | Daily Mail Online As Katie Holmes shocks navel-gazers... the ins and outs of a beautiful belly button | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2011/06/29/article-2009652-0CCAE9E900000578-324_1024x615_large.jpg)
As Katie Holmes shocks navel-gazers... the ins and outs of a beautiful belly button | Daily Mail Online
![As Katie Holmes shocks navel-gazers... the ins and outs of a beautiful belly button | Daily Mail Online As Katie Holmes shocks navel-gazers... the ins and outs of a beautiful belly button | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2011/06/29/article-2009652-0CA9D0C700000578-173_306x526.jpg)