Ellen is sitting down for a heartfelt conversation with iconic country music star GLEN CAMPBELL. In this exclusive daytime interview, they'll discuss his recent battle with Alzheimer's, and his Goodbye Tour. Also, as a special gift to Ellen, Glen will perform one of her favorite, classic Glen Campbell songs, "Wichita Lineman." And, she's the Grey in "Grey's Anatomy," ELLEN POMPEO is stopping by to catch Ellen up on her epic TV show, and her adorable daughter, Stella! This is a Wednesday on Ellen you don't want to miss. Plus, their YouTube video has over 2 million views and they're here live! All the way from Essex, England, the unbelievable 8-year-old SOPHIA GRACE BROWNLEE and her 5-year-old cousin ROSIE are performing Nicki Minaj's "Super Bass."