since 2013, cameron has starred in the dual lead role of liv and maddie in the disney channel original series "liv and maddie". the preview of the show was on . the show premiered on . the pilot episode gained 5.8. it was the most-watched in total viewers in two and a half years – since november 7, 2010 ("shake it up!"). in the episode "twin-a-rooney", liv shows maddie a clip from the "sing it loud!" finale. in the finale, liv's character sings a cover of "on top of the world" by imagine dragons. a full version of the song was recorded by cameron. the song was released by disney as a single on august 27, 2013. she also starred in cloud 9 with luke benward. cloud 9 premiered on january 17, 2014. cameron also starred as mal in descendants 1, 2 and 3 along side sofia carson, cameron boyce and booboo stewart.