Estimated earnings: $40m (combined)

Aged: 20
Profession: Moguls, Models, Actresses

The hipster twins earn the bulk of their income from their $1 billion (sales) retail empire 'Dualstar' which pumps out teen-oriented merchandise. The twins have also displayed a sexier side when they appeared in print ads for designer 'Badgley Mischka'. This comnbined with a few TV series and films have also added to their income making them the highest-earning child stars in Hollywood. Great work if you can get it!

Check out the richest women in showbiz