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American Idol alum Kellie Pickler may be known for her ditzy personality, but after her latest stunt she should also be known for her awesomely huge heart. The country singer opted to shave her head on Good Morning America in support of her best friend who's being treated for cancer. "If this compels even one person to change their mentality toward waiting until the age of 40 for their mammogram, then it will be worth it," the petite blonde said. Very admirable!

Incidentally, Kellie still looks smoking hot as a bald woman.