[Madonna leads her troupe of children (including boyfriend Jesus Luz) through the streets of Italy earlier today. Apparently she is in mourning for her 51st birthday. Image via Bauer-Griffin]

Ed Norton is celebrating his 40th birthday today. Saturday Night Live's Andy Samberg is turning 31. Robert Redford is 73. Patrick Swayze is turning 57. Comedian Denis Leary is 52. Christian Slater is turning 40. Nadine Strossen, the president of the ACLU, turns 59. Newsman Bob Woodruff is turning 48. Former First Lady Rosalynn Carter turns 82 today. Jeremy Shockey of the New Orleans Saints is turning 29. Director Roman Polanski is 76. Actor Craig Bierko is turning 45. And Frances Bean Cobain, the daughter of Kurt Cobain and Courtney Love, turns 17 today.

Robert De Niro turns 66 today. Sean Penn is turning 49. Controversial book publisher Judith Regan is 56. Yankees star Jorge Posada is turning 38. J. Crew CEO Mickey Drexler and Oracle CEO Larry Ellison are both turning 65 today. John McDonald, the restaurateur behind Lure Fishbar, Chinatown Brasserie, and the now-closed Lever House, is 41. Jonathan Franzen, the author of The Corrections, is 50. E! host Giuliana DePandi Rancic is 34. Nicola Kraus, the co-author of The Nanny Diaries, is 35. Hollywood exec Gail Berman is turning 53. Singer Belinda Carlisle is 51. Retired tennis player Jim Courier turns 39. Donnie Wahlberg is turning 40. Former Senator Norm Coleman is 60. And Rick Hilton, father of Paris and Nicky, turns 54 today.

Your favorite art-collecting, Greenwich-living, publicity-shunning hedge fund billionaire, Steve Cohen (left), turns 53 today. New York's most famous drag queen, Lady Bunny (right), is turning 47. Marcia Gay Harden is 50. Photographer Terry Richardson is turning 44. Halle Berry turns 43. Steve Martin is 64. Oscar-winning composer James Horner is turning 56. Tony-winning playwright Thomas Meehan turns 80. Magic Johnson is 50. Actress Mila Kunis is 26. Susan Saint James, the actress and wife of NBC Sports chairman Dick Ebersol, is turning 63. Musician David Crosby is 68. E! host and Top Model regular Jay Manuel is turning 37. And romance novelist Danielle Steel is celebrating her 62nd birthday today. Weekend birthdays are below.

Janice Min, who recently stepped down as the editor of Us Weekly, is celebrating her 40th birthday today. Martha Nelson, the woman who oversees People, is turning 57. Weatherman Sam Champion is 48. Sebastian Stan of Gossip Girl is turning 26. Danny Bonaduce is 50. Author and screenwriter Tom Perrotta is turning 48. Agnes Gund, the former president of the Museum of Modern Art, is 71. Former U.S. Surgeon General Joycelyn Elders is turning 76. And ex-Cuban president Fidel Castro turns 83 today.

Billionaire financier George Soros turns 79 today. Nina Zagat is turning 67. Writer/comedian Michael Ian Black is 38. The tannest man in Hollywood, George Hamilton, is turning 70. Evelyn Lauder, philanthropist, social staple, and wife of Leonard, is 73. Roger Hodge, the editor of Harper's, is turning 42. NYCLU executive director Donna Lieberman is 61. Legendary screenwriter William Goldman is turning 78. Casey Affleck is 34. Interiors man Jeffrey Beers is turning 53. Pete Sampras is 38. Scandal-plagued football player Plaxico Burress is turning 32. Publishing heir Robert Ziff is 43. Rebecca Gayheart is turning 38. Actress Dominique Swain is 29. And the rapper Sir Mix-a-Lot turns 46 today.

Jonathan Adler, designer, author, occasional TV personality, and husband of Simon Doonan, turns 43 today. Apple co-founder Steve Wozniak is turning 59. Playwright David Henry Hwang is 52. Model Carolyn Murphy is turning 34. Nicholas Lemann, dean of the Columbia School of Journalism, turns 55. Actress Viola Davis is turning 44. Architect Peter Eisenman is 77. Commercial real estate broker Tara Stacom is turning 51. White-collar defense attorney Andrew L. Frey is 71. TV personality Joe Rogan is 42. FedEx founder Fred Smith is 65. And Hulk Hogan celebrates his 56th birthday today.

Fashion survivor Betsey Johnson turns 67 today. Real estate developer Harry Macklowe is turning 72. Actress Angie Harmon is 37. Author, political commentator and blogger Andrew Sullivan is turning 46. Model/actress Devon Aoki is turning 27. Rosanna Arquette is 50. Times art critic Roberta Smith is turning 62. Legendary federal judge Jack Weinstein is 88. Harriet Miers, who served as White House counsel under George W. Bush, is 64. Actor Justin Theroux turns 38. And Antonio Banderas celebrates his 49th birthday today.

Twins Charlotte and Samantha Ronson turn 32 today. David Duchovny is turning 49. Charlize Theron is 34. Author and radio personality Garrison Keillor is 67. Conservative political commentator Alan Keyes turns 59. Wayne Knight, the actor best known for playing Newman on Seinfeld, is turning 54. And Jimmy Wales, the co-founder of Wikipedia, is 43 today—at least according to his Wikipedia page. A handful of weekend birthdays—including that of Michael Kors, Chris Cuomo and Dustin Hoffman—follow below.

Josh Schwartz, the man responsible for bringing you The OC and Gossip Girl, turns 33 today. Jim McGreevey, the man responsible for bringing New Jersey its most embarrassing political scandal—up until two weeks ago, that is—turns 52. Director M. Night Shyamalan is turning 39. Karenna Gore Schiff, the novelist daughter of Al and Tipper Gore, is turning 36. Publishing exec Jamie Raab is 56. American Express' marketing chief, John Hayes, is turning 55. Victoria's Secret model Marisa Miller is 31. Actress Melissa George is turning 33. Reality TV star Adrianne Curry is 27. Former Spice Girl Geri Halliwell is turning 37. And Soleil Moon Frye, who will always be Punky Brewster to you and me, celebrates her 33rd birthday today.

The scariest woman in New York, Jocelyne Wildenstein, turns 69 today. Let's hope she doesn't mark the occasion by paying another visit to her plastic surgeon. Retired astronaut Neil Armstrong is turning 79 today. Retired basketball player Patrick Ewing turns 47. DJ Funkmaster Flex is 41. Actress Loni Anderson is turning 63. High-end Manhattan real estate broker Edward Lee Cave is 70. Adam Yauch, one of the founding members of The Beastie Boys, is turning 44. The Brady Bunch's Maureen McCormick is 53. And Dawn Richard of Danity Kane celebrates her 26th birthday today.

White House Press Corps doyenne Helen Thomas turned 89 today! Coincidentally, today is also the day Barack Obama's grandparents chose when they forged Obama's birth certificate 48 years ago. Obama gave her cupcakes!

Barack Obama was born on this day in 1961, to Stanley Ann Dunham and Barack Obama, Sr. and Malcolm X and a communist named Frank, in Kenya. Happy Birthday, Mr. President! Or, as your parents would say, عيد ميلاد سعيد

The 44th President of the United States of America, Barack Hussein Obama, turns 48 today. Judith Kaye, the first woman to serve as chief judge of the New York Court of Appeals, is 71. Fashion designer Anna Sui is 57. Robert A.F. Thurman—Columbia professor, Buddhist scholar, and father of Uma—is turning 68. Robert Lieber, the city's deputy mayor for economic development, is 55. Former U.S. Attorney General Alberto Gonzales turns 54. Legendary White House reporter Helen Thomas is 89. Retired pitcher Roger Clemens is turning 47. Actor Billy Bob Thornton is 54. NASCAR driver Jeff Gordon is turning 38. Law & Order's Richard Belzer is 65. Denim designer Scott Morrison is 37. Frank Vincent, the actor who played Phil Leotardo on The Sopranos, is 70. And '90s model Marcus Schenkenberg turns 41 today.

Martha Stewart turns 68 today. Tom Brady, the Patriots quarterback and father of Gisele Bundchen's fetus, is turning 32. Martin Sheen is 69. Tony Bennett is turning 83. Model Evangeline Lilly turns 30. Art-collecting heir Adam Lindemann is turning 48. Model Brooklyn Decker is 22. Sen. Roland Burris is turning 72. Mamie Gummer, an actress and the daughter of Meryl Streep, is 26. Actor Isaiah Washington is turning 46. And Salt-N-Pepa's DJ Spinderella turns 38 today.

Bee Shaffer turns 22 today. Manhattan District Attorney Robert Morgenthau is turning 90. Billionaire financier Leon Black is 58. Harry Potter author J.K. Rowling is 44. Wesley Snipes is turning 47. Muckraking defense attorney Ron Kuby is 53. Another muckraker, entrepreneur Mark Cuban, is 51. Theater director Oskar Eustis turns 51. Ezra Zilkha is 84. The Office's B.J. Novak is 30. And actor Dean Cain is 43 today. Below, the birthdays of some people celebrating this weekend.

Hilary Swank turns 35 today. Restaurateur Keith McNally is turning 58. Lisa Kudrow is 46. The former bodybuilder and actor who is now the Governor of California is 62. Director Peter Bogdanovich is turning 70. Bud Selig, the commissioner of Major League Baseball, is 75. Director Richard Linklater is turning 49. Laurence Fishburne is 48. Park Avenue plastic surgeon David Hidalgo is 57. Former MTV exec (and now Oprah disciple) Christina Norman is turning 46. Ad agency CEO Chuck Brymer is 50. Food Network host Alton Brown is turning 47. Tom Green is 38. Vivica A. Fox is turning 45. Jaime Pressly is 32. Anita Hill is 53. And Paul Anka turns 68 today.

Project Runway host and all-around fashion guru Tim Gunn turns 56 today. Fashion designer Cynthia Rowley is turning 51. Publishing heiress Anne Hearst is 54. ABC News president David Westin is turning 57. Artist Jenny Holzer is 59. Choreographer Paul Taylor turns 79. IBM chairman Sam Palmisano is turning 58. Hotel owner Sam Chang turns 49. Patti Scialfa, the singer, songwriter, and wife of Bruce Springsteen, is 56. Filmmaker Ken Burns is turning 56, too. Actor Josh Radnor turns 35. Stephen Dorff is 36. And Tony Sirico, who played Paulie Gualtieri on HBO's the Sopranos, celebrates his 67th birthday today.

Model, DJ, and rock star spawn Alexandra Richards turns 23 today. Former New Jersey Senator Bill Bradley is turning 66. Famed television exec (and NBC Sports chairman) Dick Ebersol is 62. Richard Haass, the president of the Council on Foreign Relations, is 58. Alexis Arquette is turning 40. The rapper Soulja Boy is 19. Sally Struthers is turning 61. Garfield creator Jim Davis turns 64. Venezuelan President Hugo Chávez is 55. And Elizabeth Berkley, she of Saved by the Bell and Showgirls fame, celebrates her 37th birthday today.

A-Rod turns 34 today. Billionaire investor Eddie Lampert turns 47. Actor Jonathan Rhys Meyers is 32. Musician Pete Yorn is turning 35. Maya Rudolph is turning 37. Legendary TV producer Norman Lear is 87. Comedian Jerry Van Dyke turns 78. Former Olympic figure skater Peggy Fleming is turning 61. Taxi & Limousine Commissioner Matthew Daus is 41. And Nick Hogan, the scandal-prone (and recently imprisoned) son of Hulk and Linda Hogan, turns 19 today.