guest star

plural guest stars · alternative guest-star

1. entertainmentA guest on a music or other recording.

   1 more example

   The neutering extends to Believe’s guest stars, with warm-and-fuzzy verses from Ludacris (“I love everything about you / You’re imperfectly perfect”), Big Sean (“I don’t know if this makes sense, but you’re my hallelujah”), Nicki Minaj (who at least squeaks a “bitches” into her verse), and especially Drake, whose desire to hug and kiss the object of his affection on “Right Here” is reminiscent of The Red Hot Chili Peppers on Krusty’s Comeback Special.

   2012 June 26, Genevieve Koski, “Music: Reviews: Justin Bieber: Believe”, in The A.V. Club, archived from the original on 06 Aug 2020

2. broadcastingAn actor on a television program who stars in one, or a few, episodes.

present singular third person guest stars · participle present guest starring · participle past guest starred · past guest starred · alternative guest-star

1. Of an actor: to star as a guest.
2. hobbiesOf a player: to play as a guest of another team.

plural guest stars

1. historicalastronomyA nova or supernova recorded in Chinese astronomy which appeared where no star was known before.