Marg Helgenberger, outing Justin Bieber’s brattiness. (Jemal Countess/GETTY IMAGES)

Meredith Vieira confirms what has previously been reported: she is leaving the “Today” show and Ann Curry will replace her as co-host. (Associated Press)

Eva Longoria co-hosted a celeb-heavy baby shower for Victoria Beckham . Demi Moore, Nicole Richie, Rachel Zoe and pregnant actress Selma Blair reportedly attended the pink-themed affair. Victoria and David Beckham — who walked away uninjured from a Friday car accident in L.A. — are expecting their fourth child, and first daughter, in July. (Us)

Paula Abdul joins “X Factor,” participating in show’s first judging panel on Sunday. (BBC)

Prince William and Kate Middleton — your Duke and Duchess of Cambridge — are the proud parents of ... a baby penguin. The couple “adopted” a little guy named Acorn at the Chester Zoo, who was given to them as a wedding present. Acorn will remain at the zoo, where he will regularly remind the other penguins that he is royalty and that they should curtsy accordingly. (Digital Spy)

Paris Hilton apologizes to Lindsay Lohan and Reese Witherspoon hobbles to Sunday services, after the jump.

Paris Hilton apologizes to Lindsay Lohan for making a jewelry-stealing joke at Lohan’s expense during her Oxygen reality show. And with that apology, America is reminded that Hilton actually has her own reality show on Oxygen. (TMZ)

Season four of “Jersey Shore” reportedly delayed again because the city of Florence revoked permits to film at numerous historical landmarks. (Popeater)

Matthew Morrison will perform one of his own songs on “Glee.” Cross-promotional moments on “Glee”? Well, that’s just hard to believe. (Hollywood Reporter)

Reese Witherspoon went to church with her family on Mother’s Day morning even though she had a cast on her left foot. Makes you feel extra-lazy for sleeping in on Sunday, doesn’t it? (Daily Mail)