If you use the JS you see in Just Married as your Basis for how smart she is that would be like using Hannable Lector (spelling) as an indication of how sane Antony Hopkins is.
I'ts an act! to make he adorable and attractive to the Majority of the public who will then buy her records and watch her movies.
What defines smart? My brother was is a genious, he has a huge IQ and is gifted at just about everything he does. He has no job, no money but he can recall word for word paragraphs form boks he read as a child, draw and paint as good as any artist, sing and play most instruments.
Who's smarter Millionaire JS or my broke brother?