This is the 11240th most frequent Polish word.
gwiazdach
"Gwiazdach" means "stars" (locative plural form) in English.
Here, 'gwiazdach' is used as a grammatical error for 'gwiazdy', suggesting the stars.
Patrzę na gwiazdach w nocy.
I am looking at the stars at night.
In this sentence, 'gwiazdach' refers to 'stars' metaphorically as famous individuals in Hollywood.
Znam historie o gwiazdach Hollywood.
I know stories about Hollywood stars.
Here, 'gwiazdach' appears in an idiomatic expression, implying the stars have influence or predictions.