Meaning
A cluster of shiny four-pointed stars, usually yellow, twinkling together. It suggests magic, newness, cleanliness and anything special or delightful, like a little shimmer added to the words around it.
It decorates announcements, aesthetic captions and compliments: “Fresh haircut, fresh start ✨” Online it is also used for ironic emphasis, as in ✨ wrapping ✨ a phrase, to mark sarcasm or mock glamor. That second style can confuse readers who expect the sparkles to be sincere, so keep the context clear when your tone is dry.