Jay-Z with Beyoncé Knowles and Gwyneth PaltrowGwyneth Paltrow and Chris Martin surprised the audience at the Royal Albert Hall on Wednesday night when they joined Jay-Z on stage during his gig.

Chris played piano during one of Jay-Z’s song then sang along side Jay-Z on ‘Heart of the City’ then Gwyneth, who is apparently recording an album, provided backing vocals on ‘Song Cry’.

Jay-Z’s girlfriend Beyoncé Knowles also unexpectedly joined him on stage, to perform their songs ‘Crazy in love’ and ‘Déjà Vu’.

And as if all the famous friends wasn’t enough, Jay-Z was also accompanied by a 25-piece orchestra.