Guess Who Plays Halsey in Lady Gaga and Bradley Cooper's A Star Is Born

Here are a few things we know about the forthcoming feature film A Star Is Born: It stars Bradley Cooper as a past-his-prime country star and Lady Gaga as the aspiring singer he takes under his wing. It is Cooper's directorial debut, and the fourth remake of the title since the 1937 original. The early reviews have been good enough to generate…