Monthly Moron for July 2015

Which one of these Blondes needs volume control?
© 
By The Heart Truth (Jenna Elfman) [Public domain], via Wikimedia Commons
19% Jenna Elfman
Jenna Elfman
© 
By Marcin Wichary from San Francisco, U.S.A. Uploaded by MyCanon (Taylor Swift) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
29% Taylor Swift
Taylor Swift
© 
By Gamerscoreblog (http://www.flickr.com/photos/gamerscore/144446661/) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
52% Jenny McCarthy
Jenny McCarthy