Pal Says Lindsay Lohan Is Happy in Rehab  —  Since checking into the pampering Wonderland Center addiction-treatment facility last week, Lindsay Lohan has been keeping a low profile - and loving it.  —  "She's been sending text messages from rehab saying she's the happiest she has ever been," a pal tells PEOPLE in its new issue.

Restaurant Group Objects to K-Fed Ad  —  A restaurant trade group says it is insulted by an insurance company's planned Super Bowl ad that stars Kevin Federline as a fast-food worker.  —  Nationwide Mutual Insurance Co.'s 30-second spot shows Federline, who is estranged from pop princess Britney Spears …

ON-SET ROMANCE  —  ANNE Heche has left hubby Coley Lafoon for her "Men in Trees" co-star James Tupper, "Entertainment Tonight" reports.  A rep for Heche confirmed to Page Six that she and Lafoon, who have a son, have separated, but would not say whether she's seeing Tupper.

MIAMI NICE  —  JESSICA Simpson and John Mayer's dates may be more fun for the paparazzi than for the couple.  Spies at Nobu in South Beach told Page Six that, despite the ruckus caused by their entrance, the two barely spoke on their Tuesday night date.  "John was extremely quiet and didn't speak a lot …

Dakota Fanning: 'It's called acting' … PARK CITY, Utah (AP) — At a festival that features several films with sexual content, including full male nudity and a documentary about bestiality, a Southern Gothic tale that includes the rape of a young girl is causing the biggest stir.

Owen back in picture for Kate  —  It's on again!  —  Owen Wilson has been rekindling his romance with Kate Hudson this week in Australia, according to a close source.  —  Hudson is Down Under filming "Fool's Gold" with Matthew McConaughey in the tropical state of Queensland.

Tom Brady & Gisele Bundchen: New Couple?  —  New England Patriots quarterback Tom Brady won't be getting another Super Bowl ring this year, but he does have Gisele Bundchen to cheer him up.  —  Brady, 29, whose Patriots were knocked out of the NFL playoffs this weekend, and Bundchen, 26 …

COVER STORY: Tyra Banks Speaks Out About Her Weight  —  On her hit show America's Next Top Model, Tyra Banks has always stressed the importance of body confidence - but it still hurt when tabloids ran an unflattering photo of her in a bathing suit under headlines that screamed, "America's Next Top Waddle" and "Tyra Porkchop."

Jennifer Garner: I Dropped My Ring Down Drain  —  Jennifer Garner has made a TV confession to husband Ben Affleck: She nearly lost a diamond ring he gave her after their daughter Violet was born.  —  Garner, 34, dropped the ring on Monday when she was getting dressed up for the premiere of her new film …

Longoria's man 'Desperate' to wed on 7-7-07  —  Plus: Is money keeping the Duchess from 'Dancing With the Stars'?  —  MSNBC  —  Eva Longoria and Tony Parker are hoping that the number seven will bring them luck.  —  The "Desperate Housewives" star got engaged to the San Antonio Spurs guard …

THE SEXUAL LIFE OF SCOTT BAIO  —  What's a guy to do when he's "dated and made love to some of the most desirable, beautiful starlets in Hollywood" but still can't find love?  If you're Scott Baio, you find two co-writers to package up your pinhead thoughts and try to sell a book.

Penelope Cruz Bikini Pics  —  Celebrity bikini month continues with these rather nice Penelope Cruz bikini pictures.  Penelope is down in St. Tropez with, surprisingly, fashion designer John Galiano.  —  I never knew they were friends, but then again, why would I?

Nicole Kidman in On-Set Accident  —  Sources tell ET that NICOLE KIDMAN was taken to a hospital after being involved in an accident on the set of her latest film, 'The Invasion.'  —  The actress and her co-star, child actor JACKSON BOND, were shooting a chase scene when a stunt driver lost control …

For this crowd's money,  —  Hil has it over Obama  —  Sen. Hillary Clinton's biggest and richest supporters rallied behind her Monday night at the Four Seasons, where Bill Clinton threw a book party for Terry McAuliffe, the former Democratic chairman who will run her campaign and author of the insidey "What a Party!"

War over baby David  —  Over dinner recently at her £10 million London townhouse, Madonna opened her heart to a gathering of trusted friends.  "I haven't been this hated since I brought out my Sex book back in the early Nineties," she tearfully confided.  "What have I done to deserve this?"

CHRISTIE BRINKLEY & PETER COOK TAKE THEIR DIVORCE TO COURT  —  Christie Brinkley and estranged hubby Peter Cook took their divorce to court on Jan. 22 to work out the details of how they'll split time with their two children.  —  But while at Central Islip Supreme Court on Long Island …