Bristol Palin today posted on Bristol’s Blog:

On reality television shows, it’s important to keep everyone’s hair in generally the same shape, from beginning to end. That makes editing easier, if the producers aren’t worried that in scene one your hair is long and in scene two your hair is short.

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Retrieved from: http://www.patheos.com/blogs/bristolpalin/2012/07/the-truth-behind-tripps-hair/.