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

DRESSED FOR SUCCESS

Lopez launches her own clothing line in conjunction with Tommy Hilfiger's brother Andy, called J.Lo by Jennifer Lopez. Describing the look as "sporty chic," she says, "From little to voluptuous, everybody gets to be sexy."