Jennifer Lopez: four months post-baby in a bikini?

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There was absolutely no reason for Jennifer Lopez to scamper off to a remote getaway in Spain to bare her post-baby bod in a bikini.

Considering she only recently had twins (Max and Emme), the singer-actress looks pretty darn good.

But don't let those harsh Brazilian fashion critics, who got all bent out of shape about Karolina Kurkova's flabby behind, see this photo.

Click HERE to see all the photos. So what do you think? Should Jenny keep running around the block? Or is the new mama looking fine?

And while we're on the subject of poundage, shouldn't Marc Anthony beef up bit? Dude is so scary scrawny.

Photo: Jennifer Lopez was already looking good at the Costume Institute's Gala on May 5 in New York.
WireImage