J.Lo at 40: How a Diva Was Made!

In 40 photos, see how the birthday girl (on July 24) went from Jenny from the Block to superstar

HAIR DON'T

At the 2005 Billboard Latin Music Awards, Lopez sets gossip columns on fire – again – with her intricately scrolled hairdo, which was voted "Biggest Hair Trauma of 2005" by some blogs.