It's Ellen's first night live on "American Idol" and she's ready to go! Tonight the Top 24 start competing for the ultimate title. Sadly, SHELBY DRESSEL will not be one of them. Ellen thought she was an amazing singer, so she invited her to perform right here on the show! Then, if you thought EWAN MCGREGOR couldn't get any sexier, you were wrong -- he's just been knighted! Today the nobleman is stopping by to tell Ellen all about his new movie, "Ghost Writer." Also, GORDON RAMSAY doesn't hold back criticism on his show, "Kitchen Nightmares." How will he react to Ellen's kitchen etiquette -- and her tendency to dip into the ingredients? We'll find out when he teaches Ellen how to make a delicious meal.