Cameron Diaz getting in a cab ... Tommy Hilfiger and Dee Ocleppo walking out of a restaurant on Madison ... Alec Baldwin arriving at JFK ... Sarah Jessica Parker leaving her townhouse on Charles Street ... Katie Holmes standing on the set of The Extra Man in Chelsea ... Fran Drescher leaving the Empire Hotel ... Ed Westwick eating a candy bar on the Gossip Girl set ... and Angelina Jolie and Brad Pitt leaving The Little Mermaid on Broadway with their kids in tow.

• Is Madonna's relationship with Jesus Luz purely platonic? The two are "quite close and cuddly, but not exactly romantic," and Jesus was spotted at a Kabbalah service "playing around more with Rocco than paying attention to Madonna," which can't be a good sign. [E!]
• Did marrying Tom Cruise ruin Katie Holmes' chances of ever having a movie career? Is Tom's sister secretly handling his PR even though she pretends to just be his assistant? So many questions! [Fox 411, P6]
• Amy Winehouse's estranged husband Blake Fielder-Civil was released from jail yesterday. [The Sun]
• Martha Stewart's old friend Sam Waksal is now out of a halfway house and "ready to get back to work trying to find a cure for cancer." [NYDN]

Philip Seymour Hoffman back in NYC (but still wearing a hat), standing on the set of his latest movie, Jack Goes Boating ... Keri Russell walking with her son and husband in Brooklyn ... Kate Winslet arriving at JFK after her jaunt to LA for the Oscars ... Alexa Ray Joel shopping and juggling two cups of coffee simultaneously ... Will Ferrell watching the Knicks play at Madison Square Garden ... Taylor Momsen shopping with a friend in Soho ... Heather Mills standing on the sidewalk ... Katie Holmes leaving her apartment ... America Ferrera cuddling with a couple of dogs on the set of Ugly Betty ... and Robert De Niro walking through JFK after his trip to the Oscars.

[Katie Holmes, a marriage-worthy Earthling specimen, films a movie in New York; image via Splash]

Ed Westwick and Jessica Szhor walking in the meatpacking district ... Peaches Geldof shopping in SoHo with a friend ... Joshua Jackson and Diane Kruger kissing in the West Village ... Katie Holmes showing up to the set of her new film in Chelsea ... Leighton Meester and Chace Crawford shooting scenes for Gossip Girl outside Noho Star on Lafayette Street ... and Dustin Hoffman standing on the sidewalk outside of Nello's on Madison Avenue.

Rachel Bilson shopping on the Lower East Side ... Kate Beckinsale talking to David Spade outside her hotel ... Mary-Kate and Ashley Olsen shopping at Barneys ... Katie Holmes carrying coffee on a walk downtown ... William H. Macy and Felicity Huffman walking on Madison after leaving lunch at Nello's ... Kirsten Dunst hailing a cab ... Justin Timberlake leaving an office building ... Nicole Richie carrying her baby Harlow around Chelsea Piers ... Claire Danes holding hands with Selma Blair on Bank Street ... Agyness Deyn walking with a friend downtown ... Angelina Jolie waving to photographers outside an apartment building ... Paris Hilton going to dinner at La Esquina ... and Ally and Tommy Hilfiger leaving the Waverly Inn.

Kate Moss is not happy: Do Tom Cruise and Katie Holmes, fashion nobodies, know how many fashion gods they pissed off by cutting the line at a fashion ball?

Which is less appropriate: A brand-newmom performing at the Oscars, from bed, or an image-conscious Olympian trying to lay low in a strip club? Decide for yourself.

Dazzling locals on the South American leg of his Valkyrie promotional tour, Tom Cruise unveiled a lean physique and taut set of abdominal muscles poolside in Rio de Janeiro.

• Olivia Palermo and Whitney Port are "horrified" that MTV producers have been pressuring them to get into a physical fight at "work" for an upcoming episode on The City and they've even threatened to walk off the set if they're forced to participate. How principled! [P6]
• Lindsay Lohan "stomped around" and "caused chaos" after finding out she'd have to sit in economy on a flight home from Tampa on Saturday. (She also told a friend to "come and visit me back there in case I die.") Horrified flight attendants eventually found her a seat up front. [Fox News]
• Things seem to be heating up between Madonna and Jesus Luz. Also, she took the model to brunch at Macelleria on Sunday, so you know. [DM, NYDN]
• It looks like Julie Janklow's new paramour is none other than surfer Scott Murphy, who split with Marci Klein back in December. [P6, previously]

Sometimes you just want to be left alone. Michael Phelps reportedly tried to pay to make pictures of his bong hits go away; John Mayer wants a lower profile than Jennifer Aniston offers.

Sean Hannity gave Alan Colmes a new Rolex and Tom Cruise gave Katie Holmes a new baby, reportedly. Disturbing relationships can still be fruitful.

• Tory Burch appears to have lost her shot at winning the title of Mom of the Year: On a flight from Miami to NYC, the designer/society staple was spotted lounging in first class while her kids and nanny had to make do with coach. [P6]
• Olivia Palermo still seems to think her gig on MTV's The City is going to help her become a "serious actress," poor thing. [P6]
• Tom Cruise was photographed touching Katie Holmes' stomach, so obviously she must be pregnant, no? [OK!]
• Paris Hilton is in London this week. And she's providing lots of entertainment to the British public. She's already announced that she has no plans to choose Amy Winehouse as her new BFF, she doesn't know who the country's prime minister is, and she isn't planning to date Prince Harry out of "respect" for Chelsy Davy. [TS, DM, Hello]

It could be! If a concerned reader and some troubling information about the cult is to be believed. The actress and Cruise-wife was at the SAG awards on Sunday, looking a bit... yellow.

Everyone's experimenting with a new crowd: Katie Holmes hangs with the bad boys; Brad Pitt and Angelina Jolie try a new neighborhood and Gene Roddenberry's remains enter a whole other orbit.

• Is Jennifer Aniston planning to steal the spotlight away from Brad Pitt and Angelina Jolie at the Oscars by showing up to the ceremony with John Mayer and with a ring on her finger? Maybe! [Star]
• Alex Rodriguez either spent last weekend hanging out with Madonna at Jerry and Jessica Seinfeld's East Hampton mansion, or he spent it partying with Bill Clinton and Spike Lee in the Bahamas, depending on what you read. [P6, NYDN]
• Lindsay Lohan's rep says LiLo can't be anorexic since she "ate two full meals" during a recent photo shoot. It's settled! [P6]
• Gwyneth Paltrow's mom says 800 people have already joined her daughter's Tribeca gym, which hasn't even been finished yet. [NYDN]

Wispy British actress Sienna Miller is heading to Broadway next season to star in Patrick (Closer) Marber's After Miss Julie. She joins an increasingly steady stream of movie types heading to the stage. What gives?

Tom Cruise is trying to get inside the female mind; Joe Francis slipped into women's underwear and Mike Tyson is, once again, overwhelmed with lady attention.

• Hope you're ready to go through it all over again: Sarah Jessica Parker, Kim Cattrall, Cynthia Nixon, and Kristin Davis have all agreed to participate in a Sex and the City movie sequel. [Us]
• Graydon Carter should really consider writing a nutrition cookbook: It seems Madonna's secret to eternal youth is the salmon with lentils at the Waverly Inn. [L&S]
• Still more drama from the inaugural festivities in DC earlier this week: Chris Matthews got pissed about having to wait on line, Sharon Stone was annoyed she had to co-host a segment on CNN with D.L. Hughley, and Halle Berry went into panic mode after her dress got caught in an escalator. [P6]
• Gwyneth Paltrow was spotted on a flight doing yoga in the aisle recently. Is this becoming a trend? [Star]
• Charges against Mathias Guerrand-Hermès have been dropped. [NYDN]

• Giuseppe Cipriani hasn't been seen in New York for months, but he says that has nothing to do with the handful of investigations now underway, or because he's banned from the US. He's just "busy" and says he'll return to New York "soon." His son Ignazio has been busy, too. The 20-year-old has been charged with third-degree assault for beating up a limo driver outside 1OAK back in December. [NYP, R&M]
• The latest man to fall into Paris Hilton's clutches: She was was spotted at Sundance making out with MySpace CEO Chris DeWolfe. [P6, NYDN]
• Prince William's girlfriend, Kate Middleton, may be planning to move to New York to take a job in fashion, thanks to advice she received from Tom Ford and Anna Wintour. [Daily Express]
• Maureen Dowd threw a big party on Sunday eve to honor of David Geffen. In attendance: Tom Hanks, Jeff Zucker, David Katzenberg, Ron Howard, and George Stephanopoulos, who knocked over a tray of martinis and left the party red-faced. [P6]