Jennifer Lopez 40th Birthday Celebrate Background Information Birth name : Jennifer Lynn Lopez Also known as : J.Lo, Jenny Born : July 24, 1969 (1969-07-24) (age 40) Origin : The Bronx, New York, U.S. Genre(s) Dance-pop, Latin pop, R&B, pop Occupation : Actress, singer-songwriter, record producer, dancer, fashion designer, television producer Years active : 1987 present JENNIFER LOPEZ will celebrate her 40th birthday on Friday "24Jul-09" with a spectacular bash in her native New York. A star studded event is being planned on Saturday night "25Jul-09" to mark the milestone, which will blow away the party her husband Marc Anthony threw to mark his 40th last year-08. Organizers are working hard to keep the media guessing about the venue and guest list - but a number of A-list stars are expected to jet into the Bi...