Top 10: Hairstyles of the Week, 8-10-2012

Out with the old and in with the new! That was the mantra for this week, as celebs switched up their looks for the onset of a new hair season. Melanie Fiona added a bright streak of blonde to her tresses, while Estelle and Tasha Smith hit the streets in bold new bobs. See these looks and more in our top 10 roundup of the week.