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

DOUBLE DELIGHT

Just a day after her father David confirms that Lopez is expecting twins, a Gucci-clad Lopez steps out looking very glam – and very pregnant – with Anthony for Madonna and Gucci's Raising Malawi UNICEF benefit. As an attendee at her baby shower the month before tells PEOPLE, "You can tell [she and Marc] are so excited to meet their little babies. They're going to be wonderful, loving parents."