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Avril Lavigne, Alanis Morissette, R. Kelly on 'The X Factor'

<div class="meta "><span class="caption-text ">Josh Krajcik &#40;L&#41; and Alanis Morissette perform her 1998 song &#39;Uninvited&#39; on &#39;The X Factor&#39; on Dec. 21, 2011 on FOX.  (Ray Mickshaw &#47; FOX)</span></div>
November 21, 2011 12:00:00 AM PST