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1.
The platinum blonde member of Girls Aloud. Known for her hard-partying ways. She's quite cool, and she's now a lingerie model.
Friend: Your hair looks great!
Me: I cut it to look like Sarah Harding's!!
by iheartumuch December 16, 2007
 
2.
Created by Lily Allen. Used to describe something cheap and plastic.
"That bag is sooo sarah harding!"
by emmacca August 28, 2007