Monthly Moron for April 2008

Which one of these blondes will be this years biggest April fool?
© 
By David Shankbone (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
25% Madonna
Madonna
© 
By Glenn Francis Uploaded by MyCanon (Britney Spears) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 4.0-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/4.0-3.0-2.5-2.0-1.0)], via Wikimedia Commons
75% Britney Spears
Britney Spears
© 
By Mike Kaplan (DefenseImagery) [Public domain], via Wikimedia Commons
0% Jessica Simpson
Jessica Simpson