It will probably be a fun weekend for Lydia Hearst: the heiress turns 24 today. Others blowing out candles today: Jimmy Fallon is 34. Soledad O'Brien of CNN is 42. Richie Akiva is 32, although the invite to his birthday party said it was his 30th. James Lipton is 82. Former HarperCollins chief Jane Friedman is 63. Defense attorney Barry Scheck is turning 59. And model Victoria Silvstedt is 34. On Saturday: Goldman Sachs CEO Lloyd Blankfein (pictured here with Lydia, a first we imagine) will be 54. Financier Joseph Perella will be 67. Sophia Loren will turn 74. Ad exec Scott Goodson will celebrate his 45th. Interior designer Geoffrey Bradfield will be 62. And Jossip's David Hauslaib will turn 25. On Sunday: Jane Rosenthal will be 52. Stephen King will be 61. Bill Murray will celebrate his 58th. Jerry Bruckheimer will be 63. Book publisher Geoff Kloske will turn 39. Natural History museum president Ellen Futter will be 59. Nicole Richie will be 27. Cheryl Hines will turn 43. Luke Wilson will be 37. And filmmaker Ethan Coen will be celebrating his 51st.