By Stephen M. Silverman
Updated January 02, 2004 01:05 AM

MORE PARIS: “The Simple Life,” the hit FOX reality series that has Paris Hilton and Nicole Richie bringing their Beverly Hills sensibilities to rural Arkansas, is planning to deliver more of their shenanigans. The show’s producers have added an additional hour to the series, which is scheduled to wrap up Jan. 14. That extra hour will air Jan. 13, says FOX. In addition, reported the New York Post, hotel heiress Hilton, 22, is currently co-habitating with Backstreet Boy Nick Carter, 23. Their living arrangement, said the Post, began after she had finished filming “Simple Life.”

SEINFELD STANDS UP: “This is the first person I have ever seen you can literally say to him, ‘You don’t know your a– from a hole in the ground.” So said Jerry Seinfeld about Saddam Hussein during a one-hour-and-six-minute, joke-filled routine last weekend at Caesars Palace in Las Vegas, reported the New York Post. And he’s not stopping there. From Vegas, says the paper, Seinfeld, 49, will remain on the road – returning home to wife Jessica Sklar and their two children in New York in between gigs – through September.

ZETA ZAPS: An unauthorized biography of Catherine Zeta-Jones, 34, was shelved after its British publishers, Virgin Publishing (part of Virgin Air entrepreneur Richard Branson’s empire), received threatening letters from Zeta-Jones’s legal team, according to the BBC. The book, by celebrity biographer Cliff Goodwin, was due to have been published in time for Christmas. But Goodwin, who spent months researching the project, was forced to abandon the 256-page “Catherine Zeta Jones: The Biography” once the letters arrived.

JOINT PRODUCTION: “Titanic” actress Kate Winslet and her husband since May, stage and screen director Sam Mendes, are the parents of a baby boy, reported the Associated Press. Joe Mendes was born on Dec. 22 in New York, Winslet’s publicist, Jennifer Allen, said, adding that young Joe weighed 7 lbs., 13 oz. at birth. Winslet also has a 3-year-old daughter, Mia, from her previous marriage to British film director Jim Threapleton. Winslet and Mendes married in secret in the West Indies in May.

J.LO JUMPS: The most talked-about stars of 2003 on TV’s “Entertainment Tonight” have been tallied by the program, which issued a Top 10 list based on the number of times these celebrities were mentioned on the air. And they are: Jennifer Lopez, Jennifer Aniston, Michael Jackson, Ben Affleck, Nicole Kidman, Catherine Zeta-Jones, Brad Pitt, Cameron Diaz, Britney Spears and Demi Moore. The New York Post noted that John Ritter was No. 19, immediately followed by “Joe Millionaire”‘s Evan Marriott. Last year, Aniston was No. 1 and J.Lo No. 2.