When it comes to IQs, there's the dull, the genius level and the ridiculously smart. Although renowned brainiac Stephen Hawking has this to say about sharing scores, many famous folk and their fans still obsess about the results of this French-born intelligence test. So, which stars reportedly have brainpower to spare?

Check out pics of country stars Carrie Underwood, LeAnn Rimes, and more with their significant others. 
Carrie Underwood