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With The Back-Up Plan pretty much in the can, Jennifer Lopez‘s film career is back on track. Now she’s ready to relaunch her music career. During an interview in Italy, Jennifer revealed that her single will be out in September as a taster for her next studio album. With a full length album coming in January 2010.

In the mean time, after a double birthday celebration, she’s enjoying a romantic vacation with her husband Marc Anthony and their twins in Rome. The family is seen here exiting their Rome hotel to head to the holiday isle of Ischia. Lopez carried son Max and Anthony carried their daughter, Emme, to the waiting people carrier.

Earlier, Jennifer and Marc did some shopping and stopped for a little ice cream. Lick it.

Gallery Info: Jennifer Lopez and Marc Anthony with their twins in Rome