HOLLYWOOD —Hollywood marriages simply don’t last past the seven-year-itch. Another marriage that has gone the way of the Titanic is British movie star Kate Winslet  that has separated from her film director husband Sam Mendes after nearly eight years together, according to Britain’s Daily Mail. The Oscar-winning power couple’s law firm, Schillings, made the announcement on March 15. Winslet, 34, has a 9-year-old daughter, Mia, from her first marriage to British director Jim Threapleton, which ended in divorce in 2001. She has a 6-year-old son, Joe, with Mendes, 44.

Winslet won a Best Actress Oscar for her performance in “The Reader” last year putting her in the A-list league. She had been previously nominated five other times for her roles in “Titanic,” “Sense and Sensibility,” “Iris,” “Eternal Sunshine of the Spotless Mind” and “Little Children.”Mendes directed his wife in “Revolutionary Road,” ironically, a film about a crumbling marriage that reunited her once again with her Titanic co-star Leonardo DiCaprio. She earned a Golden Globe for best dramatic actress and thanked her hubby in her acceptance speech. Mendes’s next project is expected to go into production later this year; it’s the forthcoming 23rd James Bond film.

Speaking of films, the ninth annual Tribeca Film Festival will include a documentary from Joan Rivers, a new movie from Neil Jordan and a Southern folk tale starring Robert Duvall. Duvall stars in “Get Low,” a folk tale set in 1930s Tennessee and the film is directed by Aaron Schneider, who won an Oscar in 2004 for his short film “Two Soldiers.” An array of documentary selections will include comedian and fashionista Joan Rivers in “Joan Rivers: A Piece of Work,” Canadian rock band Rush in “Rush: Beyond the Lighted Stage,” and hair stylist icon Vidal Sassoon in “Vidal Sassoon: The Movie.”  The New York festival announced the lineup last week that will run from April 21 through May 2.

Lady Gaga who is a fan of Vidal Sassoon’s will be making the transition from theaters to arenas on her new summer tour. After selling out four Radio City Music Hall concerts in New York two months ago, she will return to Madison Square Garden in New York on July 6. Lady Gaga’s 31-gig summer tour is scheduled to begin June 28 in Montreal and end September 19 in Raleigh, N.C. It will be no surprise if she adds more dates, since she puts together a stunningly elaborate stage show and she is more popular than ever to fill just about any venue.

Rose’s Scoop:  Paula Abdul will be hosting an updated version of “Star Search” for ABC, according to ew.com,  The original star search was hosted by Ed McMahon, and CBS reprised the show back in 2003; however, it was short-lived by Arsenio Hall.