What is the hottest thing on American TV now? Buy it or not, it's the TV presenters. That's right! Love them or hate them, you surely can't ignore America TV's hosts who besides pumping up the X Factor of any show, are actively redefining the way the world views television entertainment as. There is no denying that America has given the world some searing hot television presenters who have taken prime time entertainment as well as late night shows to a whole new level. From Simon Cowell to Oprah Winfrey and from Donald Trump to Jay Leno, America surely has given the world some dollar-worthy TV presenters who have kept America awake and glued to their TV screens, thanks to their sheer presence and panache. No wonder, networks have overcome their urge of throwing any pseudo-celebs in front of the camera to see what sticks to the wall. Here, we bring you a collection of some of the most famous American TV presenters. Read on to explore the timelines, life stories and interesting trivia & facts related to their lives.