Cityfile: New York's Most Notable and Influential

Happy Birthday | Prince Harry turns 25 today. He shares his birthday with reality "star" Heidi Pratt, who is turning 23. (Make of that coincidence what you will.) Filmmaker Oliver Stone is turning 63. Music honcho Charlie Walk turns 43. Brit model Sophie Dahl is 32. Former NFL quarterback Dan Marino is turning 48. Opera singer Jessye Norman is 64. Actor Tommy Lee Jones is turning 63. And America's No. 1 mom, hands down—Dina Lohan—celebrates her 47th birthday today.

• In news that will delight Jews the world over, it seems Britney Spears is thinking about converting to Judaism. She's been seen wearing a Star of David necklace and has found a rabbi to, like, teach her about stuff, so she's well on her way, clearly. [Sun]
• Lindsay Lohan hasn't been getting too many acting roles what with all her personal problems as of late. But she may have found a way around that: She's starting her own film/TV production company. [THR]
• Jerry Seinfeld's rep says he not facing money troubles. But he is doing commercials for "a bank in the boonies of Australia," which can't be a good sign. [P6]
• Mariska Hargitay is back on the set of Law & Order: SVU after a mishap earlier this week sent her to the hospital for 13 stitches. [NYDN]
• Publicist Ali Wise was arrested earlier this week for hacking into Nina Freudenberger's voicemail. But she may not be the only victim out there. [P6]More

Richard Johnson and Jason Binn celebrated their birthdays with a joint bash at Da Silvano on Monday night, where they were joined by their wives, Sessa von Richthofen and Haley Binn, along with guests like Donny Deutsch, Jared Kushner, Brooke Shields and Chris Henchy, Silvano and Marisa Marchetto, Ann Dexter-Jones, Lauren and Charlie Walk, Daniel Benedict, Jane and Richie Notar, Jerry Della Femina and Judy Licht, Beth Ostrosky, Amy Nederlander, Alina Cho, jewelry exec Benny Shabtai, Sharon Dorram, film producer Meryl Poster, and Gigi Stone of ABC News. [PMc, GoaG]More

These are difficult times for hedge fund king Paul Tudor Jones but he was all smiles as the guest of honor at last night's 11th annual NYU Child Study Center Gala at Cipriani 42nd Street. Joining Jones and his wife Sonia (left) was the center's director, Harold Koplewicz, co-chairs (and fellow finance big wigs) Gary Cohn and Lisa Pevaroff, David and Danielle Ganek, and Michael Novogratz and wife Sukey, and a crowd of nearly 600, including Vera Wang and Arthur Becker,  Jon Corzine, Elie Wiesel, Jane and Jimmy Buffett, Ellen Barkin, Erica Jong, Jane Rosenthal, Christiane Celle, Faith Popcorn, Al D'Amato, Larry Silverstein and wife Klara, Neal Shapiro and Juju Chang, Julie and Ed Minskoff, Elaine and Ken Langone, Susan and Martin Lipton, Claude Wasserstein, Linda and Arthur Carter, Alice and Tom Tisch, Vicki and Stuart Match Suna, and Brooke and Dan Neidich. [PMc, NYSD] More

Happy Birthday | Hills villain Heidi Montag is turning 22 years old today, most likely with a big drama-filled party that will eventually turn up on MTV. Also celebrating today: British model Sophie Dahl is turning 31. Filmmaker Oliver Stone is celebrating his 62nd. Restaurateur Donatella Arpaia is 37. Music honcho (and Kobe Club partner) Charlie Walk is 42. Former NFL quarterback Dan Marino is 47. Opera singer Jessye Norman is turning 63. Actor Tommy Lee Jones is 62. And Prince Harry celebrating his 24th.

• John Edwards probably won't be invited to speak at the Democratic national convention unless he addresses those nagging rumors that he had a love child with Rielle Hunter. [Page Six]
• Rumor has it Agyness Deyn and Albert Hammond Jr. are engaged. [Us]
• Mariah Carey is paying $125,000 to rent Stone Meadow Farm in East Hampton for one week this month. Is that where she and Nick Cannon are throwing the big wedding they've been talking about for months? [Page Six]
• Georgina Bloomberg would be heading to the Olympics in Beijing right now if her horse hadn't gotten injured right before the Olympic trials. But she'll compete for a spot in 2012! [R&M]

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• Everyone was partying in the Hamptons this weekend. Molly Sims celebrated her birthday in Sag Harbor. Leo DiCaprio partied at Dune. Jeffrey Chodorow and Charlie Walk threw a dinner at the Kobe Beach Club. Even newly-convicted felon Wesley Snipes, who is free on bail, flew in to get wasted at a party in Water Mill. [Page Six]
• Michael Lohan has outted his daughter, telling the tabs that anyone with half a brain knows Lindsay and Samantha Ronson are in a relationship. Thanks Dad. [Us Weekly]
• Was Barbara Bush snuggling with boytoy Jay Blount at Asia de Cuba? [Page Six]
• He's only been there a week, but Sean Avery is already becoming quite the Vogue intern. He presented an award to Vera Wang at last week's Fragrance Foundation gala, and he might go to the shows in Europe next month with Anna herself. Oh, and there's talk of a Vogue cover, too. [Page Six]