Lizzo Declares It a 'Back Fat Summer' as She Proudly Flaunts Her Curves in Slinky Metallic Dress Taken Aback(side): The backlash against Lizzo's backless shirt Lizzo Shows Off Her Weight Loss While Rapping and Dancing in a Skimpy String Bikini: Watch AOL Fashion Bomb Daily #Lizzo dressed up as #Elvira for #Halloween wearing an @ouget long sleeve velvet gown and a @matthewreisman backless dress. Thoughts? Instagram Lizzo flaunts her slimmed down figure in a #MetGala look that perfectly hugs all her curves! Check out all the fashions from the night at the link in our bio. Lizzo is showing off her weight loss in this tiny dress