RihannaOlly Murs were forced to squeeze into smaller areas to get ready for their performances.
A source told One Direction also took to the stage yesterday (Sunday 4th December) to close day two of the festive shows.

SEE RAUNCHY PICS OF RIHANNA IN MTV'S GALLERY HERE!

GET THE MTV BASE APP HERE! - Receive all the latest urban music news, countdown the MTV Base chart as soon as it’s released and vote for your favourite urban tracks.