October 21, 2013 JUKEBOXDC Staff Videos Katy Perry Performs On The X-Factor UK Katy Perry appeared on The X-Factor UK to perform her latest hit ‘Roar’. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)MoreClick to print (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Reddit (Opens in new window) Related Adrian Peterson Son's Alleged Killer Charged With Murder Diddy Revolt TV Commercial Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.