Trailer Released For Bradley Cooper's A Star Is Born

Lady Gaga looks poised to conquer the big screen in the first trailer for “A Star Is Born,” co-starring Bradley Cooper.<br />Gaga’s powerhouse vocals appear to be front and center in the musical romance, due out in October. Released Wednesday, the trailer features footage of the pop diva crooning a new tune, reportedly called “The Shallow.” But Cooper, who is making his directorial debut with the movie, shows off some surprising musical chops as well.