Michael Douglas and Catherine Zeta-Jones have separated in what could spell the end of their nearly 13-year marriage. The split is being reported by People magazine and a rep for Zeta-Jones has confirmed the separation. According to People, the couple have been living separate lives in recent months . They were married in 2000 and have two children together.<br/> <br />The 70th annual Venice Film Festival got off to a celebrity-studded start on Wednesday (August 28) with the arrival of George Clooney and Sandra Bullock. The duo were there to represent their film, "Gravity" - the official opening film of the festival. The fest runs through September 07.<br/> <br />Hugh Jackman made an impressive entrance at the Tokyo premiere of "The Wolverine." The actor was greeted by hundreds of fans, who gathered to catch a glimpse of him. Jackman filmed a lot of the movie in Japan and told the crowd that it was an unforgettable experience.<br/> <br />Finally, Valerie Harper has reportedly signed on for th