Prince George Is All Smiles in 4th Birthday Portrait
"I am at peace and filled with joy and gratitude," she wrote in a 2013 Facebook post that paid tribute to those who helped her recover from a bone marrow transplant two years after battling breast cancer. Marking the anniversary of her transplant in September 2013, Roberts remains stunned by the support she's received. "It's humbling to hear that it has inspired many of you to tackle whatever adversity you face in your own lives," she blogged. "When fear knocks, let faith answer the door."