Monthly Moron for August 2015

Which one of these Blondes made the biggest score in her post-teen years?
© 
By David Shankbone; cropping done by: Kanonkas (David Shankbone) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons
42% Hilary Duff
Hilary Duff
 
46% Claire Daines
Claire Daines
© 
Joella Marano [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
12% Melissa Joan Hart
Melissa Joan Hart