A lot of idols have to go through constant hair changes, some drastic ones including black to blonde and of course, long to short!  Here are a few female idols who perfectly pull off both long and short hairstyles, but which do you think is better?  You can choose in each of the polls below, but there is no doubt in anyone's mind that these girls can rock any 'do they please.

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Kang Min Kyung

Sulli

Hyeri

Taeyeon

IU

And now the final poll!  A lot of girls often keep their hair long for a pretty and feminine look, and most people can pull it off.  On the other hand, bob cuts are not always easy, so kudos to these girls.  Which one do you think pulls off the ever difficult bob cut the best?