This is the 2482nd most frequent Polish word.
gwiazdy
"Gwiazdy" means "stars" in English.
Here, 'gwiazdy' refers to celestial bodies (stars) visible in the sky, in a literal and astronomical sense.
Gwiazdy świeciły na niebie przez całą noc.
The stars shone in the sky all night.
Here, 'gwiazdy' is a metaphorical use referring to famous people, specifically movie stars, highlighting their renown.
Gwiazdy filmowe przyjechały na premierę.
The movie stars arrived at the premiere.
In this sentence, 'gwiazdami' (the instrumental form of 'gwiazdy') is used metaphorically to indicate prominent or excellent performers in a field, such as the arts.