Lady Gaga has officially conquered everything, even Oprah. The pop queen has dethroned the queen of daytime talk as the most powerful entertainer on Forbes’ annual “Celebrity 100” list.

It's been months since Lady Gaga and Bradley Cooper wowed the Oscars audience with their "Shallow" performance, but Gaga is still addressing rumors that she and her co-star were romantically involved.

The Morning Fix: Goodbye, Holden Caulfield. Conan O’Brien’s big exit. Jay Leno on ‘Oprah.’ Lady Gaga reshaping music industry. By Joe Flint Jan. 29, 2010 7:30 AM PT ...