X Factor to return on Aug 18th with Tinie Tempah for judges houses rumours – Coleen Nolan linked to CBB – David Tennant won’t deny Dr Who return. Report by Lisa Snell. Like us on Facebook at http://www.facebook.com/theshowbiz411 and follow us on Twitter at http://twitter.com/theshowbiz411 . Subscribe to The Showbiz 411! http://www.youtube.com/subscription_center?add_user=itn