1. Matt Damon, now 30 lbs lighter, took liberties with the traditional tuxedo at the Venice opening of his The Informant!, wearing a plunging buttoned vest. Wife Luciana Barroso complementednicely in a soft clay gown and gold clutch. 3. Eva Mendes has been taking our breath all week long at the Italian salute to films, shown here in Ralph Lauren. While her Dolce headband is out of rotation, Mendes still salutes her love of gems with a black stone-adorned belt.