Gwyneth Paltrow surprised fans at Jay-Zs Royal Albert Hall gig last night (September 26) by getting up on stage and unleashing her vocal talents.

The surprise turn came just days after supermodel Kate Moss caused Babyshambles fans' jaws to drop when she hopped up on stage with lover Pete Doherty during his band's Dublin gig.

Like Kate, Gwynnie provided backing vocals " this time on Jay-Z hit, Song Cry.

Her hubby Chris Martin also got the crowd excited " even though it had been announced beforehand that hed play with his new hip hop mate.

The singer performed a new song from Jay-Z's forthcoming album as well as 'Heart Of The City (Aint No Love)' from the rappers 2001 disc, 'The Blueprint'.

If only Apple were old enough to realise how coooool her mum and dad are...

'SLJ'