Kate Hudson and fiancé Matthew Bellamy made a glamorous red carpet appearance at the Venice Film Festival today. Kate looked stunning in an Atelier Versace gown while Matthew chose a classic tuxedo for the event. Kate showed off her famous grin and gave Matthew lots of love on their way into the screening. The duo is in Italy to promote Kate's The Reluctant Fundamentalist, and her costar Liev Schreiber was on hand as well. Liev showed up at the film's premiere with Naomi Watts, who was in a nude Marchesa look. Both Kate and Naomi arrived in Venice yesterday and Kate was up early this morning to get started on press.