Kellie Pickler Goes Bald In Support Of Friend Summer Holt Miller's Breast Cancer Battle

Country music star Kellie Pickler buzzed off her blonde locks as a show of support for her best friend from childhood, who is battling breast cancer. Pickler, 26, teased her Twitter followers about shaving off her blonde hair in a cryptic tweet sent out Tuesday night. "It's been a great life-changing day," the former "American Idol" singer tweeted. She followed up the post urging her more than 585,000 followers to tune in to "Good Morning America."