2 of 6
Credit: ABC News
Jennifer Aniston, 40, earned her cougar title when she began dating singer John Mayer in 2008. At the time, Mayer was 31, and Aniston, 39. They called it quits in March 2009. ( Kevin Mazur/VF/WireImage for Vanity Fair/Getty Images)
© 2009-2013 Belo Kentucky, Inc., a subsidiary of Belo Corp. All Rights Reserved.
Powered by Broadcast Interactive Media.