Am I the only one who has grown up assuming that when people using the phrase, "Primma Donna", they are pronouncing the word "Pre-Madonna"?

I understood the definition of the phrase from a young age because my parents would use it a lot, but just learned the actual spelling and context. I had always assumed that people were comparing people's actions to the highly egocentric and cockiness of the artist Madonna. I assumed that by calling someone a "Pre-Madonna" you were essentially telling someone, "keep up that attitude and soon you'll be just like Madonna." i.e. the the term "Pre"