Barbie doll prototypes are displayed at a workshop in the Mattel design center as the iconic doll turns 60, in El Segundo, on December 7, 2018. - She is turning 60 this year and still doesn't have a single wrinkle. Blonde or brunette, slender or curvy, black or white, princess or president, Barbie is a forever favorite for young girls, even if she has caused controversy over the years. The iconic doll has evolved to keep up with the times -- check out her Twitter feed. And despite fierce competition in the toy industry, 58 million Barbies are sold each year in more than 150 countries. (Photo by Mark RALSTON / AFP)