Bob Geldof welcomes a host of new stars into his Band Aid supergroup as they descend on London studio to re-record classic charity track

When the song was originally released 30 years ago, a number of today's biggest pop acts weren't even born.

But Bob Geldof openly welcomed in the likes of Rita Ora and pop heart-throbs One Direction as he re-recorded his classic charity track Do They Know It's Christmas? in London on Saturday.

Irish star Bob was among the first to arrive, looking upbeat as he carried a large olive-coloured bag past an assembled crowd while making his way into Notting Hill's Sarm Studios for Band Aid 30.

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