pretty up
Upper Intermediate (B2)informal
To make something look nicer by decorating it or adding nice things.
"She prettied up the living room with some fresh flowers and new cushions before her guests arrived."
Hear it in context

I Tried Celebrities Favorite Foods
Joshua Weissman · 10:50
It's pretty up there.

Learn English & Sound American…At The Movies!
Rachel's English · 6:46
But up pretty up pretty.

Learn English & Sound American…At The Movies!
Rachel's English · 11:43
Self up pretty up pretty.

SIDEMEN VS AMERICA’S BIGGEST STREAMERS
Sidemen · 60:40
I got a pretty up memory.

I Cycled 2,000km Across Japan (It Almost Broke Me)
Abroad in Japan · 194:24
In hindsight, this game's pretty up.