July 22, 2011 9:00
Jay-Z joins Rihanna onstage for 'Run This Town' in New Jersey - video
Watch the surprise appearance on NME.COM now
The rapper teamed up with the singer for the hit single 'Run This Town', which features on his 2009 album 'The Blueprint 3'. To watch footage of the track scroll down and click below.
Prior to her show, Rihanna also paid tribute to a fan who was killed in a car crash.
Taking to her official Twitter page Twitter.com/Rihanna she wrote:
One of my biggest RihannaNavy fans died today in a car accident!!! Gone but never Ever forgotten!!!! She was only 17 #DearKaren.
The fan was thought to have been listening to the singer's 2009 album 'Rated R' when the crash happened.
Rihanna recently overtook Lady Gaga as the most the most popular female artist on Facebook.
The singer has now clocked over 40 million fans on the social networking site and is 'Liked' by nearly 30,000 more users than Gaga – although she is still only the second most popular artist overall, with rapper Eminem having an estimated 43 million fans.
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