• The drama surrounding fashion's most famous headbutt continues: Kiefer Sutherland says he was "defending the honor" of Brooke Shields by attacking Jack McCollough, since Jack had knocked Brooke over and then failed to apologize. Brooke and Jack, however, say the push never even happened, and Kiefer was running around drunk and "looking for something to smack." The police are now investigating the matter, since apparently there aren't more important crimes to be tackling right now. [TMZ, TMZ, NYDN, P6]
• Anna Wintour and Rihanna were acting like old pals at a Costume Institute afterparty on Monday night, which certainly bodes well for Rihanna's chances of landing a Vogue cover in the future. [NYDN]
• Lindsay Lohan was supposed to chaperone her little sister to a party at LA's Roosevelt Hotel on Monday night, but ended up "getting up close and personal" with ex-boyfriend Jared Leto instead. [E!, P6]
• Casey Johnson, meanwhile, showed up to the same party and was overheard telling a friend that she and Courtenay Semel have broken up, again. [P6]

[Troubled actress Lindley Lorimer in Maui, Hawaii today; image via Bauer-Griffin]

• Tyra Banks took the stand to testify against accused stalker Brady Green yesterday and explained how she's had to hire a bodyguard and driver as a result of the incident. She also said she's no longer jogging outside and has been forced to hire a personal trainer, but we're pretty sure she had one of those long before Green came along. [NYDN, NYP]
• After 13 years of marriage, Sean Penn has filed for legal separation from wife Robin, news that may not come as a huge surprise given his long list of rumored paramours, including Petra Nemcova, Helena Christensen, Ines Misan, Naomi Campbell and Natalie Portman. [P6, People, Extra]
• Liev Schreiber and Naomi Watts' son, Sasha, was admitted to the hospital on Tuesday night for respiratory issues. [People]
• Madonna supposedly wants a summer house in the Hamptons. But she can't find a place willing to put up with her horse-related demands. [P6]
• Meanwhile, baby Mercy's 24-year-old father is demanding full custody of his daughter, since Madonna lacks "good morals." [NYP]

• Jesus Luz isn't making many friends with his fellow male models. At an event last week, the other models in the room were "gossiping like catty girls" about his "big, swollen head," and bitching that he's only booking work because of his relationship with Madonna. Really, you think? [NYDN]
• Lindsay Lohan flew to Maui with her sister and mom, where she's been spotted tanning and shopping at Gucci and Louis Vuitton. So everything is pretty much back to normal. [NYDN, Us]
• Samantha Ronson changed her Facebook relationship status to "Married," whatever that's worth. [Sun]
• Good news for the handful of remaining Sex and the City fans out there: Sarah Jessica Parker says Chris Noth has finally signed on to do the sequel. [E!]

• Is Madonna leaning on her friends to hire boy-toy Jesus Luz so he can remain in the country legally? It's possible! [P6]
• Tyra Banks is expected to take the stand this week at the trial of the man accused of stalking her and threatening her staff. [NYDN, NYP]
• Angelina Jolie and Brad Pitt are sending their attorneys after the couple's former bodyguard to ensure he doesn't write a tell-all about life in the Brangelina home. [NYDN]
• Salma Hayek and Francois-Henri Pinault had a second wedding in Venice this weekend; guests on hand for the occasion included Anna Wintour, Ed Norton, Stella McCartney, Bono, Charlize Theron, Woody Harrelson, Lucy Liu, Penelope Cruz, and Javier Bardem. [NYDN, People]
• Heidi Montag and Spencer Pratt tied the knot this weekend, too, although the event featured fewer A-listers and many more MTV cameras. [People]

All relationships are "complicated," Facebook: Heidi Montag can't sell pictures of her stupid re-wedding, so why bother; Miley Cyrus is sheepishly two-timing and LiLo and SamRo restored a tenuous digital connection.

• Are Michelle Williams and Spike Jonze planning to head down the aisle this summer? That's what the Star claims, since the two have been together "almost a year" and supposedly "don't see why they should wait much longer." As good a reason as any! [Star]
• Sam Ronson changed her relationship status on Facebook to "It's complicated," and says she and LiLo have started talking again, which may mean they're getting back together. [Us]
• Mary-Kate Olsen "kept touching" actor Bradley Cooper at a Tribeca Film Festival party, which could be a sign that they might be dating. [NYDN]
• Parker Posey showed off her new man at the festival, too. She's dating a sculptor named Scott Lenhardt. [NYM]

Poor LiLo. After her breakup with DJ Samantha Ronson, she is just so alone. Worst of all, she told Ellen today that she didn't even know she was splitting up, let alone being restrained against.

The spring has everyone lovestruck: Freida Pinto hooked up with a Slumdog co-star, Lindsay Lohan yearned for Samantha Ronson and Condoleeza Rice had a non-date date with a musician.

• Gwyneth Paltrow's latest goal? To get Mario Batali to lose weight, apparently. She's supposedly already given him a free membership to the gym she's opening with Tracy Anderson, since he's "the only fat friend she has, and wants him to change." [P6]
• Poor Jennifer Aniston has been "holed up" in her room at the Greenwich Hotel since arriving in New York a few weeks ago, supposedly because she's terrified of "bumping into Angie" on the street. [L&S]
• Michael Phelps and Miss California, Carrie Prejean. are apparently dating, or at least that's what Prejean's grandmother is saying. [NYDN]
• In an interview with Ellen DeGeneres, Lindsay Lohan says she's "still in love" with Sam Ronson, and that their breakup "came out of nowhere." She's also lost a lot of weight, which you've probably already noticed. [OK!, People, NYDN]
• Tim Gunn says he hasn't been on a date in 26 years, but that he's okay with it because he's "very happy being alone." [NYDN]

• Lindsay Lohan is "drowning her sorrows" over Sam Ronson in a "sea of men," including 90210's Kellan Lutz and British paparazzo Chris Jepson. She's also going out all the time again, and hit up six clubs in one evening last week. But that's probably just because she's naturally very energetic. [P6]
• In related news, LiLo tells E! that she isn't in talks to join a topless show in Las Vegas, but she'd be willing to dabble in the burlesque world for the right price. [OK!]
• Uma Thurman's rep says she and Arpad Busson did not get married in the Bahamas last weekend, although it's rumored the couple is planning a "low-key" wedding this Saturday instead. [E!, Sun]
• Daphne Guinness was supposedly overheard telling a friend that she and Andre Balazs aren't "seeing each other seriously," since she's about to move in with French philosopher Bernard-Henri Levy. [P6]

Rihanna and Chris Brown might be at the same party in the same room at the same time; Lindsay Lohan brazenly spent hours in the company of males. What does it all mean?

• Brad Pitt and Angelina Jolie went to the Stop & Shop in Oyster Bay with two of their kids on Saturday and were "very friendly" to employees of the store. Please try to contain your amazement. [Us]
• Lindsay Lohan must be hard up for cash, since she's reportedly in discussions to star in a topless show in Las Vegas. Even worse: She seems to think it will "really revitalize her career and give her some serious theater cred." [Fox]
• Early Show anchor Julie Chen and her boss/husband, CBS chief exec Les Moonves, are expecting their first child this October. [P6]
• Speaking of kids, Amy Winehouse's rep says that the rumors the singer is adopting a child from the Caribbean are untrue. Be thankful for that! [DE]

You have to admire a renaissance basketcase: Lindsay Lohan is thinking of dancing topless, Michelle Rodriguez advised a male stripper and Mel Gibson's lady friend is also a sort of paper blogger.

• Madonna fell off a horse while riding at photographer Steven Klein's house in Bridgehampton on Saturday. She wasn't seriously injured, but don't think for a minute she's taking any blame for the spill. Her flack blamed the accident on a rogue paparazzo who jumped out of the bushes and startled the horse, although both the photographer in question and the police don't share that account. [NYDN, NYP, E!]
• Uma Thurman and Arpad Busson were rumored to be getting hitched in the Bahamas on Saturday, although there's still no word on whether any ceremony actually took place. [People, UPI]
• Has Lindsay Lohan gone straight? She was spotted "flirting relentlessly" with a group of guys including Leonardo DiCaprio at a club last week. [Sun]
• Rumor has it Naomi Campbell is thinking of moving to Moscow so she can be closer to boyfriend Vladislav Doronin. Say it isn't so! [DS]

• Is Lindsay Lohan heading back to rehab? That's what her mother, relatives, and friends are supposedly encouraging her to do, since she's been on a "self-destructive binge of partying, tears and breakdowns" ever since Sam Ronson broke up with her. To make matters worse, she keeps bumping into Sam everywhere she goes. Clearly, the girls need to decide once and for all which one's getting Chateau Marmont so this sort of thing stops happening. [OK!, L&S, P6]
• The Sun reports Madonna and Jesus Luz have reunited. As the story goes, Jesus came back to NYC to "perk up" Madge after all that trouble in Malawi and now they're like, going to Kabbalah classes and, like, eating dinner together and stuff. [Sun]
• Drew Barrymore and Justin Long are supposedly dating again, even though they claim they're "just friends" in public. [NYDN, P6]
• "Real Housewife" Jill Zarin recently underwent breast reduction surgery. If you're lucky, you'll see the whole procedure go down on a future episode. [P6]

There there, celebrity magazine editors: While Lindsay Lohan's rehab would slow the flow of gossip considerable, you could recoup your losses several times over with a Jennifer Aniston-David Schwimmer baby cover.

• Is Heidi Klum pregnant with her fourth kid? That appears to be the case, since sketches of a gown she's planning to wear in a future Project Runway episode have made "room for a bump." [MSNBC]
• Are you a disgraced sports star or politician? Congrats: You're getting a reality TV show! Rod Blagojevich has signed on to appear in NBC's I'm a Celebrity ... Get Me Out of Here, assuming a judge lets him go to Costa Rica for the taping. Meanwhile, Michael Vick is reportedly in talks to create a reality show of his own, one that will document his attempts to "make amends for his past." Your turn, Spitzer! [THR, NYP, THR]
• Looks like Barbara Bush and boyfriend Jay Blount won't be tying the knot in Kennebunkport this summer after all. And here we were hoping for both a Bush and Clinton family wedding the same month. [People]
• Dina Lohan was spotted dropping Lindsay off outside a club in LA on Monday night. Because, clearly, that's what good mothers do. [OK!, TMZ]
• That big Michael Jackson memorabilia auction? It ain't happening. [Reuters]

Who is Lindsay Lohan turning to after her breakup with girlfriend Samantha Ronson? Patrick Aufdenkamp, her stylist pal, looks to be making his move.

• You didn't think Eliot Spitzer was planning to stay out of the spotlight forever, did you? Rumor has it the disgraced ex-governor is hoping to get his old job back as attorney general once Andrew Cuomo runs for governor in 2010. [P6]
• Mel Gibson and his wife Robyn have filed for divorce after 28 years of marriage, reportedly because Mel has been involved with a Russian singer named Oksana Kolesnikova. [NYP, OK!]
• Madonna's PR offensive continues: Not only is she hoping to win hearts and minds in Malawi by releasing pics of herself holding baby Mercy in her arms, she also has had her former nanny talking up her parenting skills to any reporter willing to listen. [DM, MSNBC]
• Uh oh! Rumor has it Gwyneth Paltrow is planning to spawn again. [Sun]