Mary-Kate Olsen

From 'Star Wars' breakouts to '90s icons, these former child stars haven't appeared on our screens in years.

Elizabeth Olsen "doesn't compete" with her sisters Mary-Kate and Ashley.

If you remember this Y2K Mary-Kate and Ashley cartoon, you might be ready for AARP.

She's even been in a few movies.

For every Kylie Cosmetics, there's a Jessica Simpson Dessert that came before it...

Mary-Kate and Ashley Olsen have released a high-end, gender-neutral clothing line for kids.