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We're fans of surprises here at Defamer, especially when they involve young female stars in bikinis. So when we came across these photos of Ashley and Mary-Kate Olsen in their itty bitty swimsuits on Egotastic, we were admittedly shocked. Considering all those years-old anorexia rumors, coupled with endless paparazzi shots making the tiny twins look roughly 80 pounds combined, we'd expect a somewhat fear-filled reaction upon seeing MK and Ash undressed. But you know what? Hugh Hefner may not have been crazy after all when he decided the twins would be ideal candidates for his next Playboy spread. Even if the camera does add poundage, we're seeing muscle tone and curves. Take a closer look at the full gallery, up close and personal, after the jump.

First we have the blonder Ashley, who appears to be obeying every women's magazine advisory to apply sunscreen everywhere from your areolas to your inner wrists. But we're digging the squeezable thighs and the curvy tummy:

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And though the more messy-haired Mary-Kate isn't quite revealing as much skin in these pics, we're pretty sure we spot an actual boob. Of the non-concave variety. We're also overjoyed to see that infamous back of hers, once featuring vertebrae so prominent you could open a bottle of Coors off them. All we see is a nicely tan rear with no signs of starvation.

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But you tell us: are the Olsens officially hot, or have they just mildly improved?

[Photo Credits: Egotastic]