Sideshow: Seacrest, Gomez bring joy to CHOP

Ryan Seacrest and pal Selena Gomez did the city a solid Friday with a visit to the Children's Hospital of Philadelphia to launch The Voice, an interactive multimedia center that Ryan's foundation helped build. Selena changed into a Children's Hospital T-shirt for the ribbon-cutting. The Voice allows patients access to TV, radio, and other media-related activities.

Jennifer Lopez and Marc Anthony have joined the sundering herd, going their own ways after seven years of marriage, reports Us Weekly. In a statement, the couple said: "This was a very difficult decision. We have come to an amicable conclusion on all matters" - including, we presume, the parenting of 3-year-old twins Max and Emme.

The Kennedy clan congregated at Hyannis Port, Mass., Friday to witness Patrick Kennedy, 44, wed Brigantine gal Amy Petitgout at a small ceremony officiated by Supreme Court Justice Stephen Breyer.

After months of speculation, French first lady Carla Bruni has confirmed that she and President Nicolas Sarkozy are expecting a baby.

MTV's Jersey Shore wasn't created by snobs mocking the guidos of the world. "I don't judge them because I am literally exactly like them," exec producer SallyAnn Salsano tells the Hollywood Reporter. "I was a guido in high school . . . I had the giant hair."

Headbanger Keith Caputo of Life of Agony reveals he'll have gender reassignment surgery. His tweet reads like a cross between Betty Friedan and Lady Gaga: "M2F transsexuals like me are the women who give up male privilege for femininity! Threaten the patriarchy!" As for his bandmates: "my boys love me regardless of my life choices!"

- John Timpane

This weekend, 10 miles of hopelessly car-glutted Interstate 405 in L.A. will be closed for construction. Predictions abound of total chaos, wide-scale rioting, and alien takeover. But if all goes well, and people avoid it, give a shout-out to the Twitterati who helped get the message out, including Kim Kardashian, Ashton Kutcher, Demi Moore, William Shatner, and Paris Hilton.

- John Timpane