Cityfile: New York's Most Notable and Influential

• After another wild day in court, Christie Brinkley and Peter Cook settled their latest round of legal issues yesterday. But not before Brinkley called her ex an "extreme narcissist," and Cook returned the favor by telling reporters she was an "angry, bitter, vindictive woman." At least it's nice to know they still have feelings for each other, though! [NYP, NYDN]
• As easy as it is to picture Courtney Love sitting in front of her computer punching numbers into an Excel spreadsheet, it turns out she may not be the best financial planner in the world. Love owes $300K in back taxes, according to the government. [TMZ]
• Michael Lohan says he knows who Lindsay's drug dealer is and he plans to reveal all in an effort to "save" his daughter. So who is he? "He has no job. He does nothing. All he does is supply everyone in LA." Call us crazy, but supplying "everyone" in LA sounds like a pretty good job to us. [Radar, NYDN]
• Get ready to see a lot more of Megan Fox dressed in, well, not much: Giorgio Armani has tapped her to star in his new underwear ad campaign. [WWD] More

Happy Birthday | Cassie, the singer best known for her hair and for having hooked up with Diddy, turns 23 today. Macaulay Culkin is turning 29. Thalia, the Latin singer and wife of music honcho Tommy Mottola, is 38. Former vice presidential candidate Geraldine Ferraro is turning 74. Former Homeland Security boss Tom Ridge is 64. Valerie Simpson of Ashford & Simpson turns 63. Actor Chris Pine is turning 29. Shirley Manson of the band Garbage is 43. Upper East Side interior designer Lisa Jackson is turning 51. Legendary Washington Post editor Ben Bradlee turns 88. And New York Times crossword editor Will Shortz turns 57 today.

The snowstorm didn't stop art and society scenesters from stopping off at the New York Academy of Art on Monday night. Guests at the Tribeca Ball included Liev Schreiber, Justin Timberlake, and event co-chair Eileen Guggenheim (left), along with Bill Clinton, Andre Balazs, Andy and Kate Spade, Adam Weinberg, Jason Wu, Nicole Miller and Kim Taipale, Monet Mazur, Alek Wek, Bettina Zilkha, Poppy de Villeneuve, Jennifer Creel, Jean-Pierre Roy, Ludwig Kuttner and Beatrix Ost, stylist Ric Pipino, Heather Mnuchin, Liam McMullan, Antoine and Maureen Chiquet, and artist Will Cotton. [PMc, Wireimage, VF, FWD, Style.com]More

♦  Tommy Mottola and his wife Thalia have reportedly sold their 12-acre Westchester estate for $15 million. The 15,000-square-foot Aspen-style home in North Salem was first listed in 2006 for $21 million. [NYP]
♦  Hugh Jackman has closed on the triplex apartment at 176 Perry Street he was in negotiations to buy late last month. Jackman paid between $20 and $23 million for the 11,032-square-foot pad, which was previously owned by Sun Microsystems co-founder Bill Joy. [NYO]
♦  NYC schools chancellor Joel Klein and his wife, Sony exec Nicole Seligman, are about to close on the Sag Harbor home of author Harry Hurt III and his wife, chef Alison Becker. The price is reportedly $2 million. [NYP]

Lucky hosted its fifth annual "Lucky Shops" last night inside the Metropolitan Pavilion. Lucky editor Kim France and publisher Gina Sanders welcomed Leighton Meester, Jessica Szohr, Georgina Chapman, Katrina Bowden, Alexandra Richards, Charlotte Ronson, Thalia, Beverly Johnson, Ginny Barber, and Michaela McManus, who all did a little shopping to benefit the Robin Hood Foundation. [The Daily, PMc, Wireimage] More

Two weeks ago the news surfaced that Viacom chief Sumner Redstone and his second wife, Paula Fortunato, were divorcing after five years of marriage. Much was made of Redstone and Fortunato's 39-year age gap and the couple's pre-nup, which will provide Fortunato with a $5 million fortuno for the five years she spent by the not-so-healthy billionaire's side. But she's hardly the only one who has been married to someone who could easily pass for her father or granddad. After the jump, a list of famous New York couples and their equally famous age gaps. More

Happy Birthday | Former child star (and now author and indie actor) Macaulay Culkin is 28 today. Others celebrating today: Cassie, the pop star and occasional Diddy flame, is 22. Thalia, the Latin singer (and wife of Tommy Mottola) is 37. Garbage frontwoman Shirley Manson is 42. Interior designer Lisa Jackson is 50. Former vice presidential candidate Geraldine Ferraro is turning 73. Former Homeland Security secretary Tom Ridge is 63. And Times crossword editor Will Shortz is 56.