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

MAKING SWEET MUSIC

Even though they still hadn't publicly confirmed their marriage, Lopez and Anthony take the stage at the Grammy Awards in 2005, performing a telenovela-inspired duet of their song, "Escapemonos" (from his Grammy-nominated album Amar Sin Mentiras). The performance was their first-ever public duet – and their first appearance as a married couple.