Backstage Rianna Top in Rose. - size M (also in ) Backstage Rianna Top in Rose. - size M (also in ) 100% silk. Dry clean only. Elasticized neckline. Flutter sleeves. Curved hem. BACK-WS125. 53 549 652. Backstage is an Australian made clothing label that has street style, a bit of glam and a lot of rock. Backstage is influenced by music & the arts. Sequined, striped, or draped, Backstage is a line designed for girls with a rock and roll attitude.