Notorious grouch Simon Cowell couldnt get the smile off his face when he heard the young Louisa Johnson start singing. Johnson blew away the judges on theX Factor singing Michael Jacksons Whos Loving You. Its no surprise they were all standing at the end of the performances. What are your thoughts on this clip? We would love to hear from you, do write to us in the comment section below. Also remember to share this clip with your friends and relatives.