11/07/2013 18:49 BST | Updated 22/05/2015 10:12 BST

Rihanna Joins Jay-Z On Stage In Hackney - But What On Earth Is She Wearing On Her Head?

Rihanna helped her mentor Jay-Z kick off his set at the Radio 1 Hackney Weekender with a brilliant performance of Run This Town - but we couldn't help noticing the rather bizarre - and distinctly S&M-inspired - headgear she was wearing.


The singer teamed her, erm, hat (we use the term loosely), with a revealing bra top, high-waisted shorts and goggle-style shades.

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Beyoncé looked on from the crowd as Jay-Z was joined by other stars including Kanye West and - but it was Rihanna's ensemble that turned heads.

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