Mary-Kate and Ashley Olsen brought "twinning" to another level, containing an empire together.
In 2006 the Olsen created The Row, with the goal of making the perfect shirt, after 10 years it is a luxury brand in New York.In 2007, Elizabeth and James launched, names of their younger brothers, as a more contemporary brand of clothing and accessories.
With their companies, they are now millionaire, with an empire quoted in 1 billion dollars.