Twin-tastic: These Celebrity Pairs Will Shock You!

Shane and Sia Barbi

Shane and Sia Barbi are best known as The Barbi Twins. These identical sisters began their career as cover models for Playboy, and went on to appear on the covers of mainstream women’s magazines as well as having a popular calendar model career.

The Barbi Twins put their fame to good use. They released a health and fitness book that was also a self-help guide for others struggling with eating disorders. Their second book addressed how to be animal and eco-friendly while being healthy and fit. They have donated all of the proceeds from their books to animal charities. The twins have posed in campaigns for animal rights as well.