Carey has an amazing voice, but a lot of the quotes she’s famous for don’t say much for her intelligence. She once said that she envies starving kids for their skinny physiques, after all. IQ estimates for her have a wide range, but the most accurate estimates place her at about 95.
While the R&B singer is a talented performer, he lacks both emotional intelligence and has a pretty low IQ, at an estimated 85.
People assume that Kourtney is dumb, but while she’s not exactly a genius, she measures at about the average level with a 95 IQ.
Tori is a little on the slow side, with an IQ of about 85. That’s a decidely below average number, which isn’t a surprise considering she claimed once that she never sweats and doesn’t drink water.
Letterman was known mostly for his sense of humor during his legendary career, but he’s also very smart, as well. His IQ is estimated at 120.