• There's a good chance you'll be seeing the cast of Jersey Shore in the tents at Fashion Week. (If, that is, you happen to be going to Fashion Week.) MTV's newest crop of reality stars have been asking to tickets to shows, and a few designers have extended invites to "to attend or even model." [P6]
• If you wanted to go to business school but didn't do so well on the GMATs, Diddy is here to help. He says he plans to open a business school in New York City in the near future. [Starpulse, Us]
• Michael Jackson's "personal physician," Dr. Conrad Murray, is expected to surrender to the authorities today in connection with charges he played a role in Jackson's death. He'll likely be charged with involuntary manslaughter, which could land him four years in jail. [TMZ]
• Perpetual brat Kanye West threw a fit while flying back to New York from LA when he was told he and his assistant would have to sit in business class, not first. The temper tantrum paid off, though: The airline found room for him in the front of the plane and the rest of the flight went off without a hitch. [P6]
"Real Housewife" Jill Zarin turns 46 today. Ben Stiller is turning 44. Actor Gael García Bernal is 31. Writer/director David Mamet is 62. Model Chanel Iman is turning 20. Director Ridley Scott is turning 72. TV legend Dick Clark turns 80 today. Billy Idol is 54. Elisha Cuthbert, the actress and ex-girlfriend of Sean Avery, is 27. Actress Amy Ryan turns 40. Performance artist Marina Abramovic is 63. Retired NFL and MLB star Bo Jackson turns 47. Watergate burglar-turned-radio host G. Gordon Liddy is 79. Clay Aiken is turning 31. And Joan Ganz Cooney, the Sesame Street creator, wife of billionaire financier Pete Peterson, and step-grandmother to PC Peterson, is 80.
Sienna Miller walking with Jonny Lee Miller after having lunch at Cafe Gitane on Mott Street ... Rihanna arriving at the Bowery Hotel ... Drew Barrymore on the set of Going The Distance ... Philip Seymour Hoffman riding his bike downtown ... Tom DeLonge pushing a stroller in SoHo ... Christina Milian arriving at her hotel ... Leighton Meester filming scenes for Gossip Girl near Gramercy Park ... Britney Spears riding in a pedicab in Central Park, and later taking a CitySights tour with her dancers ... Jennifer Aniston leaving her trailer on the set of The Bounty in Queens ... Stephanie Pratt going to MTV studios in Times Square ... Hugh Jackman talking on his cell phone while driving with daughter Ava ... Hilary Duff going to the Britney Spears concert ... Gael Garcia Bernal and Amanda Seyfried shooting scenes for Letters to Juliet in SoHo ... and Sarah Jessica Parker leaving her West Village townhouse.