El Segundo (US), March 7 -- 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.

"In an industry where success today is three to five years, 60 years is a huge deal!" said Nathan Baynard, director of global brand marketing for Barbie.

Around the world, Barbie is as universally known as Coca-Cola or McDonald's, Baynard said during a recent visit to ...