Jazz up

Near-synonyms: liven up, enliven, brighten up, brighten; gaudify

I jazzed up my room with some new posters.

Johnny imagines all manner of chrome gadgetry that he could kipe and give to his father to jazz up his ’fifty-six Ford Vicky ragtop.

Near-synonyms: liven up, enliven; spice up; customize

I jazzed up a supermarket pizza with olives and fried onions.

They played a jazzed-up version of the original song.