Except in extreme cases, I don't think plastic surgery is a good idea for any human being. But when someone is attractive to begin with — like this South Korean reporter — I just can't comprehend the reasons. Look at the before and after shots.
She's not an isolated case. There are more examples of this kind of extreme surgery, like the real-life Ken and Barbie.
It seems to me like these operations can't be just capricious acts. There has to be more, some brain processes that modify a human's visual perception in order to deform the idea of him or herself.
Update 1: According to some readers, she may have body dysmorphic disorder.
Update 2: Our friend Brian Ashcraft — from Kotaku — gives us a lot more information about her.
The reporter's name is Won Jayhun. I don't think there's any argument about her having work done, but she's also lost a lot of weight and has a crazy thin waist now. That's probably changed her appearance as well. But she's look like this for years now.
Then, you gotta factor in things like fashion/make-up changes, so that makes her look different, too. If you go on YouTube, and enter her name in Korean (원자 현), she... doesn't look she messed up her face *that* much. The photos of her are taken from a high angle, making her chin appear even smaller. Even though she's a reporter, she's more of an announcer (sports announcer), which is different from being an anchorwoman, breaking big stories. Her skimpy outfits should clue you into that! And she's also know for a series of yoga segments that were kinda suggestive.
So, it's a bit like going, why did Pam Anderson get work done?
True (although Pamela Anderson didn't get any skull sculpting, which seems a bit more extreme. Her breasts, on the other hand...)