All-Reviews.com - Superstar: Collection of reviews.
Allwatchers.com: Superstar: Analytical review of the plot, characters, setting, theme, and structure of the film, and links to similar movies.
Apollo Movie Guide - Superstar: Review, links, and cast information.
Metacritic.com - Superstar: A cross-section of reviews from the country's top critics, crystallized in a metascore.
Rotten Tomatoes - Superstar: Reviews, news, articles, cast information, biography, and preview of Superstar.