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Left: Kellie Pickler appears with friend Summer Miller after getting her head shaved on Sept. 4, 2012. / Right: Pickler appears on 'The Chew' on August 9, 2012.
Pickler shaved off her hair completely on in solidarity with her best friend Miller, who was diagnosed with breast cancer and was about to undergo chemotherapy treatments at the time.
( Photo / athenawater.com / ABC)