Should I cut my hair like this?

I know it may seem silly to ask...but, I really can't decide if I should cut my hair short like this. Once it's done there's no going back, haha. Here's a couple pictures of me,... show more I know it may seem silly to ask...but, I really can't decide if I should cut my hair short like this. Once it's done there's no going back, haha.

Here's a couple pictures of me, now:
http://i46.photobucket.com/albums/f137/dfra/DSC_0105_edited-1.jpg
http://i46.photobucket.com/albums/f137/dfra/gfy.jpg

And here's how I want my hair cut:
http://i46.photobucket.com/albums/f137/dfra/milagros_schmoll_argentine_supermod.jpg
http://i46.photobucket.com/albums/f137/dfra/00360m.jpg

Thank you :)
Update: Right now my hair is about down to my shoulders and mostly straight :)
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