Girls from Miss bumbum brazil walking nude in the streets of Sao Paulo!!! Miss Bum Bum babes launch booty-off in most incredible way with THIS women going bum-to-bum in the much coveted Miss Bum Bum contest. . Justin Bieber's ex flashes lady garden in completely naked snap. ERIKA Canela is this year's Miss BumBum Brazil – and it's not hard to see why.