Colombian Magali Gonzalez Sierra (R), 15, poses for a selfie before her 15th birthday party in El Cabuyal, department of Valle del Cauca, Colombia, on January 16, 2016. Magali suffers from Hutchinson-Gilford progeria syndrome, a disease that causes premature aging in children, whose average lifespan is 13 years old. Magali's dream of celebrating her 15th birthday with a big party is today fulfilled with the help of neighbors and friends.  AFP PHOTO / LUIS ROBAYO / AFP / LUIS ROBAYO        (Photo credit should read LUIS ROBAYO/AFP/Getty Images)