Like His Big Sister, Paris' Bro Gets a DUI!  —  TMZ has learned 18-year-old Barron Hilton, Paris' little brother, was arrested for DUI in Malibu at 8:30 AM this morning!  —  Cops tell TMZ he was driving a black Mercedes on Pacific Coast Highway with a passenger — not one of his sisters— when he was pulled over at a 76 gas station.

Sister Act  —  SCARLETT JOHANSSON AND NATALIE PORTMAN—CAST AS RIVALROUS SIBLINGS IN THE OTHER BOLEYN GIRL—HAVE SEEMINGLY NOTHING IN COMMON.  BUT AS IT TURNS OUT, THE UTTERLY UNINHIBITED BOMBSHELL AND THE SELF-POSSESSED PIXIE ARE MORE LIKE SISTERS THAN YOU'D THINK.

LOVE & LUST AT THE GRAMMYS  —  FERGIE and her fiancé, Josh Duhamel, are moving up their wedding date because the “Glamorous” songbird is pregnant, according to gossips at Clive Davis' pre-Grammys bash at the Beverly Hilton.  —  “She picked up a wedding dress while she was in New York …

Britney Spears Teaches Children at Dance Class  —  Britney Spears taught dance to children not much older than her own boys on Monday at Millennium Dance Complex in North Hollywood.  —  The pop star — who skipped the Grammys — kicked off the class by introducing herself to each five year old and shaking their hand, a source said.

EXCLUSIVE: Miley Cyrus: Jamie Lynn Spears Is “Really Excited” for Baby  —  Miley Cyrus is proud of how Jamie Lynn Spears is handling her controversial teen pregnancy.  —  “We've actually been talking,” the Hannah Montana star, 15, told Usmagazine.com at the Official Grammy Talent Gift Lounge in L.A. over the weekend.

Nic Cage Sues Kathleen Turner for Claiming He Stole a Chihuahua  —  On Friday, Nic Cage's attorney began libel proceedings against Kathleen Turner at London's High Court.  —  Cage, 44, is suing Turner, his former Peggy Sue Got Married co-star, 53, for writing in her new autobiography Send Yourself Roses …

Going Global?  —  IT looks like Britney Spears' family will do anything to get her away from her “friends” Sam Lutfi and Adnan Ghalib — including putting the pill-popping poptard on tour.  The buzz at the Grammys was that Spears' newfound focus on her dancing is preparation for a world tour.

Larry Birkhead ‘Only a Sperm Donor’  —  On the one-year anniversary of Anna Nicole Smith's death, her longtime bodyguard — and the man who found her dead in her Florida hotel room that day — is coming forward to say that his former boss only ever considered Larry Birkhead a sperm donor.

LiLo Pal Pushing Her Off the Wagon?  —  Lindsay Lohan has ditched most of her bad habits from before rehab, but there's one she can't seem to shake — and it has family and friends saying no, no, no.  —  His name is Patrick Aufdenkamp, a friend/hanger-on of Lindsay's since well before she went to rehab, dating back three years.

Lenny Kravitz Hospitalized in Miami  —  Lenny Kravitz was rushed to Miami's Mount Sinai Hospital on Monday, a spokeswoman for the singer confirmed to Reuters.  —  The rocker, 43, had been stricken with a series of severe respiratory tract infections combined with the flu since mid-January.

Dad to Barron: We'll Talk  —  A rep for Rick Hilton just gave TMZ a statement about Barron's DUI arrest:  —  “I haven't been contacted yet by either my son or the police.  If what I have heard is true, it is very disturbing and I will have a lot to say — but it will be to my son, not the media.”