Whoa, mama Jennifer Lopez!  Less than a year after having a baby (or twins, in J. Lo's case), she is one of the celebrity stars that have regained their smokin' hot bods in record time even recently showing her curves off again in a bikini.

As it is the time when some people are still trying to keep the New Year's Resolution to lose weight Jennifer has proven it can be done and even Caroline Kennedy noticed saying the woman that was mentioned for the same US Senate seat that is still up in the air "Looks Pretty Good.

"US Weekly notes that for Lopez, "Working out isn't exciting to me but training for a triathlon is," said the singer, who gained 50 pounds while pregnant with twins Max and Emme (with hubby Marc Anthony, 40), born on February 22.

To prepare for the September 14 Nautica Malibu Triathlon, the 5'6" star, 39, turned to her trainer of more than a decade, Gunnar Peterson, who led her through swimming, biking and running.
out with Peterson in hourlong sessions two to four days a week.  And she maintains a diet of lean protein and complex carbs (think turkey, brown rice and veggies).