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 "A Star is Born" costars are top picks to win at the Oscars next month. Lady Gaga is scheduled to perform "Shallow" at the Oscars next month, but she got in a little early practice with her "A ...