Is Ab Fab!
2/7/2012 4:45 AM PST BY Johnny Lopez
Jennifer Lopez showed off her 42-year-old mother of two taut flat stomach while in Malibu the other day.
The "American Idol" judge was looking belly good, as her 24-year-old boy toy lover Casper Smart frolicked on the sand with her daughter Emme.
Ticking off Marc Anthony is like a day at the beach.
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