Jessica Simpson

Looks like Weight Watchers is paying off for Jessica Simpson.

The mother of two is back in her Daisy Dukes after shedding an estimated 60 to 70 pounds, E! Online reports.

Check out celebrities' dramatic weight loss

Simpson gave birth to daughter Maxwell in May 2012, and son Ace in June 2013. She credits her weight loss to running around after her kids, as well as walking four miles a day and working with a personal trainer four times a week, E! reports.

Check out Simpson's trimmed-down look here. What do you think?