Having a large number of celebrities (colloquially stars).(adjective)
Having a large number of visible celestial stars.(adjective)
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Use "star-studded" in a sentence
"She strolled along the lakeshore for a few moments, then sat on a bench and stared up at the black, star-studded sky, wondering what Dana and Lucy were doing right now."
"For the rest of the weekend, Mr. Wilson fronts two star-studded line-ups — a "Special Edition" and a "Leader's Quartet" — but no matter how many headliners he crams into his bands, Mr. Wilson's own playing remains the main event."
"The problem with amfAR parties is that though they are star-studded, they tend to have breaks between food courses, long live auctions, even longer speeches."