Mary-Kate and Ashley Olsen or the Olsen Twins – $ 1 Billion

Mary-Kate Olsen and Ashley Olsen or better known as the Olsen Twins are former child actresses. They made their first television debut portraying Michelle in the series Full House. They progressed through their acting career and appeared in several films and video productions during their teenage years.

The Olsen Twins also became fashion designers and built their own company, Dualstar which helped them increase their net worth to $1 billion. They became one of the wealthiest women in their industry at a young age. They should place some of their money in an investment account to grow their net worth.