At the event, Dianna was still with her cropped blonde bob - so her pink transformation has only happened in the last few days.
The actress graces the cover of the September issue of Cosmopolitan, telling the magazine how she does not want to become the next Lindsay Lohan.
Agron says she has learnt from Lohan's career mistakes, saying: 'She's an amazing actress, but you see what happens when people know too much about your personal life.
'They start not being able to look at you the same way professionally. I don't want that to happen to me.
Source URL: http://celebritieshair.blogspot.com/2011/09/dianna-agron-hair-06.htmlThe actress graces the cover of the September issue of Cosmopolitan, telling the magazine how she does not want to become the next Lindsay Lohan.
Agron says she has learnt from Lohan's career mistakes, saying: 'She's an amazing actress, but you see what happens when people know too much about your personal life.
'They start not being able to look at you the same way professionally. I don't want that to happen to me.
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