For all the brilliant performances they put on, our favorite celebrities sure do the dumbest things. From getting into battles with the paparazzi to buying the most ridiculous gifts, the stars and starlets of the world don’t always come across as the brightest bulbs in the bunch.

These celebs, however, are a lot smarter than you think. In fact, they’re as smart as some of the leading scientific minds… and they have the IQs to prove it. Are you as smart as your favorite star?

1. With an IQ of 140, Mensa added Madonna to its latest “genius” list.