D Dipasupil/FilmMagic When Olympic gold medal-winning gymnast
Shannon Miller underwent chemotherapy earlier this year, her biggest fear wasn't about her own prognosis.
It was that her son
Rocco might be afraid when she lost her hair. "For me, the toughest part was facing
my son, Rocco," Miller, 34, tells PEOPLE.
"He was 15 months old at the time that I was going through my treatment. He has lots of hair. And ...