<p><br /> George Clooney and Brad Pitt were on the red carpet in Rome for the launch of the Venice Film Festival.<br /> </p><p><br /> The 67th edition will feature world premieres by directors Sofia Coppola and Darren Aronofsky.<br /> </p><p><br /> Twenty-three movies will compete for the top Golden Lion award at the world's oldest film festival, with Quentin Tarantino heading the jury that will pick the winner.<br /> </p><p><br /> Other famous faces at the event included Natalie Portman and Mickey Rourke.<br /> </p><p><br /> The festival, which has a budget of 12 million euros and often serves as a launching pad for the Oscar awards, runs September 1-11.<br /> </p>