This Week in Entertainment: May 13, 2011

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This Week in Entertainment: May 13, 2011

A celebrity couple announces their separation, Whitney Houston heads to rehab, and more celebrity gossip.

SPLITSVILLE: In this file photo taken Friday, Jan. 5, 2007, California Gov. Arnold Schwarzenegger kisses his wife, Maria Shriver, after taking his oath of office in Sacramento, Calif. The couple announced their separation Monday, May 9, 2011.

WOULDN'T LADY GAGA BE A BETTER MENTOR ON "MARS IDOL"? In this publicity image released by Fox, Lady Gaga, center, poses with the final four contestants, from left, Haley Reinhart, James Durbin, Lauren Alaina and Scotty McCreery from the singing competition series "American Idol" on May 11, 2011 in Los Angeles.

HOW WILL I KNOW (WHEN I'M SOBER?) Whitney Houston's publicist indicated that she has re-entered rehab for the substance abuse issues that have plagued the singer for years.

SQUID HAT FOR SALE: The eye-popping hat worn by Princess Beatrice at Britain's royal wedding, seen at right in this photo, is to be auctioned to raise money for charity, Buckingham Palace said Thursday.

WE HEAR THERE'S NO SPEED LIMIT FOR GAYLE KING ON THIS STREET: In one of his last acts before leaving office next week, Chicago Mayor Richard M. Daley presents TV talk-show host Oprah Winfrey with a sign after a street was named in her honor outside her Harpo Studios in Chicago, Wednesday, May 11, 2011. Winfrey will end her 25 year-run on daytime television in Chicago on May 25.

ROSES ARE RED, VIOLETS ARE BLUE, AND KARL ROVE KNOWS WHAT HE CAN DO: Michelle Obama's "evening of poetry" at the White House set off Republican critics before the artists had uttered a word. The inclusion of rapper Common set off Republicans, with Karl Rove calling him a 'thug.'

EVEN ROMEO'S BARE CHEST COULDN'T SAVE HIM: In this publicity image released by ABC, singer Romeo performs with his partner Chelsie Hightower on the celebrity dance competition "Dancing with the Stars," on Monday, May 9, 2011 in Los Angeles. Romeo was the latest contestant eliminated from the series on Tuesday.

C'MON DAVE, LET'S BARE OUR CHESTS! In this photo provided by CBS, Chaz Bono, left, gets a fist bump from Late Show host David Letterman on the set of the Late Show with David Letterman, Wednesday, May 11, 2011 in New York. Bono is sharing her life as a transgendered person with a documentary on the OWN network, called "Becoming Chaz."

SO LONG, NENE, YOU QUITTER! When NeNe Leakes quit the 'Celebrity Apprentice' show on Sunday, Donald Trump called her a quitter.

THIS PANDA MASCOT UPSTAGES JACK BLACK IN THE CRAZY DEPARTMENT: Actors Angelina Jolie and Jack Black pose in front of a giant panda during a photo call for Kung Fu Panda 2, at the 64th international film festival, in Cannes, southern France, Thursday, May 12, 2011.

WE'RE NOT SURE WHAT BROOKE SHIELDS IS WEARING AROUND HER NECK, BUT WE DON'T THINK PETA WOULD APPROVE: Actress Brooke Shields attends the New York City Ballet's 2011 Spring Gala on Wednesday, May 11, 2011 in New York.

ATTENTION WALMART SHOPPERS, THE DONNY & MARIE CD DOES NOT INCLUDE MARIE'S HAND: William Triem, from Peoria, Ariz., kisses the hand of performer Marie Osmond, left, as she and her brother Donny Osmond, appear at a signing for, "Donny & Marie, " their first album in 30 years, at Walmart in Mesa, Ariz. on Wednesday, May 11, 2011.

Actress-model Rosie Huntington-Whiteley poses at the Maxim Hot 100 Party, Wednesday, May 11, 2011, in Los Angeles. She nabbed the top honor on Maxim magazine's annual Hot 100 list.

GET WELL SOON: In this July 11, 2009 file photo, actress Mary Tyler Moore attends Broadway Barks 11 in New York. A representative for Moore says the veteran sitcom star will have surgery to remove a brain tumor, The Associated Press reports Thursday, May 12, 2011.

NOT SURE IF JUSTIN BIEBER FANS WILL BE SQUEALING: The St. Paul Saints new pig mascot for 2011, one-month old 'Justin Bieboar', gets a scratch on his cheek as he is introduced Wednesday, May 11, 2001 in St. Paul, Minn.

SHE SHOULD HAVE CONSULTED THAT BABY NAME BOOK A BIT LONGER: Actress and vegan cookbook author Alicia Silverstone just gave birth to her first child, a son who she named Bear Blu.

BOB MARLEY REMEMBERED: In this 1979 file picture, reggae musician Bob Marley, from Jamaica, performs in an undisclosed location. Scores of reggae fans from across the globe placed roses before a statue of Bob Marley on Wednesday, May 11, 2011, to mark the 30th anniversary of the death of the musician, whose charismatic, loose-limbed stage presence and lyrics promoting "one love" took the Jamaican musical genre to an international audience.

HONEY, IT'S JUST A BURGER. IS SHE RELATED TO JOHN BOEHNER? Danielle DeInnocentes, of The Colony, is overcome by emotion as she eats her burger during the opening at In-N-Out Burger in Frisco, Texas, Wednesday, May 11, 2011.

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SPLITSVILLE: In this file photo taken Friday, Jan. 5, 2007, California Gov. Arnold Schwarzenegger kisses his wife, Maria Shriver, after taking his oath of office in Sacramento, Calif. The couple announced their separation Monday, May 9, 2011.

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