The Olsen Twins Mean Business

omg! INSIDER Update 1:22 mins

Mary-Kate and Ashley Olsen have been working since they were 9 months old when they shared the role of Michelle Tanner on the hit ABC sitcom “Full House” — and they haven’t slowed down since. When they were just 6, the twin sisters founded Dualstar Entertainment Group, and by age 10 they were multi-millionaires!

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