Jay-Z joined Rihanna onstage at her recent show in New Jersey last night (July 21).
The rapper made a surprise appearance for the pairs track 'Run This Town, which features on Jay-Z's 2009 album 'Blueprint 3'. You can watch the performance on Gigwise below.
Rihanna recently paid tribute to a fan who died while listening to her music.
Responding to the news, Rihanna said: “One of my biggest RihannaNavy fans died today in a car accident!!! Gone but never EVER forgotten!!!! She was only 17.”
Rihanna is currently performing at venues across America on the US leg of her Loud world tour.
Rihanna & Jay-Z: 'Run This Town':
Rihanna - live photos
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