Try to remain calm people but Cheryl Cole has ended months of speculation by confirming she WILL be returning to this year's ' X Factor '. Cheryl took to her official Instagram account to post a snap of her with her hands around Simon Cowell 's neck, which she captioned: "GUESS WHAT!!.. I'm baaaacccckkkkk!!!! #iMayActuallyRingHisNeck #XFactor2014 #leggooo." The music mogul also confirmed the ...