𝑰𝒕'𝒔 𝒂 𝑮𝒓𝒆𝒂𝒕 𝑭𝒆𝒆𝒍𝒊𝒏𝒈 is a 1949 American Technicolor musical comedy film starring Doris Day, Jack Carson and Dennis Morgan in a parody of what goes on behind the scenes in Hollywood movie making. The screenplay by Jack Rose and Mel Shavelson was based upon a story by I. A. L. Diamond.