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Rihanna duets with Jay Z on stage for Run This Town as Justin Timberlake joins them in closing Yahoo! Wireless in spectacular style

Not content with headlining one festival this weekend, Rihanna joined Jay Z tonight on stage as he and Justin Timberlake closed Yahoo! Wireless festival in spectacular style.

Jay Z was joined on stage by Rihanna tonight as he closed Yahoo! Wireless with JT. Copyright [PA]

The Bajan superstar jetted in from Scotland where she'd had the big Saturday slot at T in the Park yesterday, to join her Roc Nation mentor Jay Z in front of screaming fans at Queen Elizabeth Olympic Park tonight.

Popping out as the surprise guest for the evening, RiRi performed 'Run This Town' with Jay as the thousands-strong crowd went wild.

The crowd went wild at Rihanna's arrival. Copyright [Yahoo]

Earlier omg! spied her backstage ready to make her special guest appearance. And we're told she'd been hanging out in the Roc Nation tent all day long.

Rihanna took to the stage with Jay Z. The crowd went wild. Copyright [Wenn]

A throng of stars watched as Justin Timberlake and Jay Z brought an end to three days of pop and urban music on the stunning Olympic site.

Rihanna was hanging about backstage at Yahoo! Wireless too. Copyright [Yahoo]

Former and present X Factor judges Cheryl Cole and Nicole Scherzinger got precious side of stage slots as Justin Timberlake and Jay Z performed their Legends of the Summer set.

The duo kicked off with Holy Grail - performed for the second time live after they debuted it last night during Jay Z's set - and ended with a rendition of Justin Timberlake's 'Suit and Tie'.

[Guess who popped up backstage to support Jay Z?]

[Which body part does Rita Ora have an issue with?]

Justin Timberlake and Jay Z took to the stage together as the Sunday headline act. Copyright [Wenn]
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Mon, Jul 15, 2013 14:00 BST

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