A Star Is Born is a 2018 American musical romantic drama film produced and directed by Bradley Cooper (in his directorial debut) with a screenplay by Cooper, Eric Roth and Will Fetters. It stars Cooper, Lady Gaga, Dave Chappelle, Andrew Dice Clay, and Sam Elliott, and follows an alcoholic musician (Cooper) who discovers and falls in love with a young singer (Gaga). It is the fourth filmed version of the story, after the original 1937 American romantic drama, the 1954 American musical and the 1976 American musical. Principal photography began at the Coachella Valley Music and Arts Festival in April 2017.

A Star Is Born premiered at the 75th Venice International Film Festival on August 31, 2018, and was theatrically released in the United States on October 5, 2018, by Warner Bros. Pictures. It was a critical and commercial success, grossing over $436 million worldwide and receiving praise for Cooper, Gaga, and Elliott's performances and Cooper's direction, as well as the screenplay, cinematography and music. The film received numerous accolades, including eight nominations for the 91st Academy Awards, among them Best Picture, Best Actor (Cooper), Best Actress (Gaga) and Best Supporting Actor (Elliott); it won Best Original Song for "Shallow". It also earned five nominations at the 76th Golden Globe Awards, including Best Motion Picture – Drama, and won Best Original Song for "Shallow".

The film's soundtrack sold over six million copies worldwide and received a total of four Grammy Award wins out of seven nominations, including nominations for Song of the Year two years in a row. Its lead single "Shallow" is one of the world's best selling singles of all time. For her acting and soundtrack contributions on A Star Is Born, Gaga became the first woman in history to win an Academy Award, Grammy Award, BAFTA Award, and Golden Globe Award in one single year.