Little Mix are alien on Halloween Week - The X Factor 2011 Live Show 4 - itv.com/xfactor

The X Factor Having decided to change their name to Little Mix, Jesy, Jade, Perrie and Leigh-Anne are trying to move on up. But Jesy is feeling down after some negative comments on the internet have upset her. Supported by Jade, she's back on her feet, and all four of the Little Mix ladies are ready to impress with Katy Perry's E.T. See more at itv.com/xfactor Buy this performance from iTunes bit.ly/tS7CQ8