There's a reason you won't find too many details about Ryan Reynolds' and Blake Lively's infant daughter in the media: Reynolds says they're being protective — of themselves.

"There's zero secret about it," the actor said when asked why the couple won't reveal the baby's name.

"That little girl will grow up to be a teenager who will find out that I blurted her name out on national television and probably make me pay for it. She will exact her revenge in searing, psychic pain," he joked.

Reynolds, 38, and Lively, 27, have a history of keeping mum about their personal business. They were married in a secret South Carolina ceremony in September 2012. Along with not releasing their baby's name — she's their first child — they also have never said exactly when she was born.

Reynolds said that doesn't mean that he believes that he and Lively will get much privacy.

"When you put yourself in the public eye you have to accept certain aspects of it," said Reynolds, who along with Helen Mirren and Katie Holmes stars in "Woman of Gold," which will be in theaters April 3.

He said he's OK with that because "he signed up for this," but added that he and Lively are working on ways to keep their lives out of the press. "If you don't court it you don't have to deal with it so much."

Dancing for good health

Michelle Obama has brought the "funk" to Ellen DeGeneres' daytime talk show. In a taped appearance set to air Monday, the first lady announced that she and dancers from the "So You Think You Can Dance" All Stars will team up at the April 6 White House Easter egg roll to teach the "GimmeFive" dance. The dance is performed to "Uptown Funk" by English producer Mark Ronson and American recording artist Bruno Mars. Obama makes her fourth appearance on "The Ellen DeGeneres Show" to mark the fifth anniversary of her anti-childhood obesity initiative.

Glam girl: Rihanna has a new gig: representing Christian Dior. The storied French fashion house said Friday that the 27-year-old musical superstar will appear in an upcoming video and print ad campaign filmed in Versailles and slated to run this spring. The bold, Barbados-born Rihanna is a regular at fashion shows from New York to Paris.

History: President Lyndon Johnson wrote to Coretta Scott King on April 5, 1968, a day after Martin Luther King was shot to death on a motel balcony in Memphis, expressing his sorrow and determination to find King's assassin. The letter was sold Thursday to an online bidder at an auction house in Falls Church, Va., for $60,000.

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