Madonna Dress by Tania Olsen M01Tania Olsen. M01 Our Madonna dress is THE sequin style to own. Shes elegant and chic perfect for those who want to look fabulous without stealing the show (do we hear mother of the bride?). Featuring soft gathers, long sleeves and a fitted silhouette shes available up to a size AU 40 because who doesnt deserve to feel glamorous? Features of the Madonna MO1 special occasion dress: Cross over bodice with a mid v neckline Soft gathers on the bodice