Alexandra Burke, Glee & BEP's Perform On X Factor
As the Gleeks are accused of miming on Twitter...
2009 XF winner Alexandra was up first, putting on an impressive display of her new single, Simon Cowell!
Last to perform were Cheryl Cole's pals, the Black Eyed Peas, who blasted out their new single,Girls Aloud star, who was joined by BEP's frontman, Will.I.Am, for the XF judges houses earlier in the series, was also spotted on a night out with the Peas on Saturday in Mayfair.
However, not everyone was happy with last night's performances, after the Glee cast were attacked on Twitter for apparently miming.
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