Ellen has been watching DAKOTA FANNING grow into a beautiful young woman over the years, and Ellen feels like she's responsible for Dakota's success. Dakota once played a younger version of Ellen on her sitcom -- and she's been in one of the biggest movies of the year, "The Twilight Saga: New Moon." She gets to work with Robert Pattinson and Taylor Lautner... we're sure she'll thank Ellen when she's on the show today. Then, Ellen has more huge surprises for her home viewers -- you won't want to miss what she's got planned for today! Also Ellen will make sure to tweet SEAN "DIDDY COMBS before he arrives. He was the one who introduced her to Twitter -- and now she has almost 5 million followers! Ellen once made him try to identify his Ciroc Vodka in a blind taste test. He got drunk. He still got it right though. Now they've introduced Ciroc Coconut and Ciroc Red Berry -- Ellen just might make him taste test both