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


Embracing her inner-action hero in a 2005 Kill Bill-style Pepsi ad, Lopez and Beyoncé Knowles kick major butt – and later flirt with David Beckham, who makes a cameo in the clip.