Rimmel London are the proud sponsors of The World's Greatest Popstar!
Watch The World's Greatest Popstar every Sunday on T4. Each week celebrates the musical achievement's of incredible artists including Beyonce, Justin Timberlake, Take That, Britney Spears, Kylie, Madonna and many more!
Throughout the series YOU have the chance to vote for your favourite popstar and The World's Greatest Popstar will be announced at the end of the series!!
To vote for the Popstar you want to win click here