Visit the official site: After a last minute song choice change, Lauren Murray performs Ariana Grandes One Last Time for your votes!\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>Welcome to the official YouTube channel for The X Factor in the UK. For more exclusive backstage clips and all the juicy gossip on The X Factor visit .\r<br>\r<br>After bagging the final seat in Sundays brutal Six Chair Challenge, lovely Lauren told us about her excitement, nerves and hanging out with Rita Ora. Report by .
