Avril Lavigne played a show on Sao Paulo on Tuesday night wearing a customized R.O.C.K.S. Tee ($24.95) from her non-profit organization The Avril Lavigne Foundation, shorts similar to the Topshop Black Faux Leather Shorts ($68.00), and a pair of House of Holland for Pretty Polly Suspender Tights ($24.00). She wore the same tights in her “Hello Kitty” music video.