"wildly creative" is correct and can be used in written English.
For example, you could say, "His painting style is wildly creative."
In fact, the demonstration was not wild but wildly creative.
Seventeen, beautiful in cutoff shorts and flip-flops, wildly creative, wants to be a writer.
There needs to be a place for people to be horrible as well as wildly creative.
"So many children's books fictionalize the world through wildly creative and inventive story telling.
Inside Binchy's head is chaotic, noisy and confusing, but also utterly fascinating and wildly creative too.
If you're interested, these super-chic babies cost £700 from wildly creative Sergio Tosser's.
We encourage genuinely innovative ideas, experimentation, collaboration and wildly creative responses.
Both were prickly figures, mercurial and wildly creative yet woefully uneven.
Greater emphasis placed on a lengthy list of wildly creative infused spirits and special cocktails.
His food is enthralling, sometimes challenging, wildly creative, but always, always a blast.
It seemed to be a weird musical utopia that supports many wildly creative and prolific artists like Justin".
