Talia Joy Castellano, a 13-year-old and battling two aggressive forms of cancer, was named the "honorary face" of Cover Girl after her makeup tutorial videos went viral on YouTube.
On World Cancer Day, stories like Castellano’s remind us of the courageous faces behind a cancer diagnosis.
The annual event, observed on Feb. 4, spreads awareness about a disease that kills more people worldwide than AIDS, tuberculosis and malaria combined, USA Today reports.
In the United States, 1,660,290 new cancer cases are expected to be diagnosed this year, and more than half a million will die from the disease, according to the American Cancer Society.
Check out the slideshow below, which features Talia and others who have triumphed over cancer in inspiring ways.