The use of smoking in Hollywood movies is declining

Jake Gyllenhaal (with Tobey Maguire) in "Brothers"Jennifer Aniston on the set of "The Good Girl"Robert De NiroLeonardo DiCaprio (cigar + ice-cream)Ben StillerJessica AlbaChristina HendricksAmber HeardPenélope CruzWynona Ryder in "Reality Bites"Lindsay LohanLindsay Lohan - Tyler Shields photoshootLiv TylerElizabeth HurleyRobert Pattinson ("Another Man" outtakes)Robert Pattinson in "Vanity Fair" magazine
Me reconnecting with a lonely cigarette at Les Gavarres solar

Audrey Hepburn in "How to Steal a Million" (1966)

"A new study in the U.S claims that the use of Tobacco in Hollywood movies has fallen down comparatively, but people involved in the study claim that too many movies still use Tobacco to attract the audience. Keira Knightley in "Atonement" (2007)

The study was based on the blockbuster movies made in Hollywood during a span of two decades starting from 1991 to 2009. It included the number of times the use of tobacco was shown to influence the viewers.
Heath Ledger and Jake Gyllenhaal in "Brokeback Mountain"

The authority at the Centre for Disease Control said, “There’s a declining trend which is good to see. But we haven’t made nearly enough progress.”Stan Glantz, who is heading this study said, “The report showed Hollywood was “perfectly capable of making movies without as much smoking and people still come see them”.
Movies play a great deal in influencing the minds of young people, who tend to imitate what is projected in a film, and calling it a style statement". Source: