Rihanna joins Jay-Z on stage in HackneyJune 24, 2012 \
Jay-Z knows how to make the crowd go crazy! During his set at BBC’s Radio 1 Hackney Weekend Rihanna joined him on stage to sing their hit collaboration ‘Run This Town’. Rihanna appeared in a black outfit accessorized with fancy sunglasses. Rihanna is headlining tonight! She’s due to start at 10 p.m (UK time).