What is another way to word diva?

It depends on the context and the connotation you're going for. Here are some options:

Positive:

* Star

* Icon

* Queen

* Leading lady

* Superstar

* Luminary

* Maestro (for a female musician)

* Virtuoso (for a female performer)

* Trailblazer

* Powerhouse

Neutral:

* Performer

* Artist

* Celebrity

* Personality

* Talent

Negative:

* Prima donna

* Drama queen

* High-maintenance

* Difficult

* Demanding

* Spoiled

More specific:

* Fashion icon

* Musical prodigy

* Film legend

* Business mogul

Ultimately, the best alternative depends on the specific situation and the tone you want to convey.