They're all malnourished... Try to find a female idol that's not below the BMI line for anorexia, I dare you... For example, I know for a fact IU weighs 35 kg... Gives her a BMI of 13.3...
And you can't trust what they themselves say publicly, they're actually high balling it. They're trying to appease the minority of people (like me) that are upset about the idols starving themselves while at the same time making majority happy by keeping the figures that majority wants to look at...
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Nominate B.B. Hood for CB IX http://miniurl.org/ntI