megastar

From mega- +‎ star.

megastar (plural megastars)

1. A very famous or successful celebrity.
   • 2012 October 24, Jon Caramanica, “No More Kid Stuff for Taylor Swift”, in The New York Times‎^[1], →ISSN, archived from the original on 8 December 2020:

     Instead, she has to carve new territory: a nontransgressive, rose-colored female pop megastar, the likes of which haven’t been seen in decades.

• OED2

• Ramsgate, art games, margates

Borrowed from English megastar.

megastar n (plural megastaruri)

1. megastar