Newly divorced billionaire and New York Giants co-owner Steve Tisch might be dating women on both coasts. Martha Stewart created a special Christmas tree for Sirius Radio's office, complete with Howard Stern cookie ornaments. Former NYSE head Dick Grasso left CNBC's Charles Gasparino a creepy "merry Christmas" message on his answering machine, despite the fact that Gasparino's new book takes Grasso to task for the $190 million kiss-off he took after leaving the Exchange. John Mayer has had a crush on Ricki Lake for two years (Ed. note: WTF?!), and actually got her digits at the wonderfully successful Sunshine Sachs Christmas party. Lance Armstrong picked up the tab for dinner with former flame Sheryl Crow. Jorge Posada and Mariano Rivera hung out together at the Sports Illustrated Sportsman of the Year party. Andy Samberg, Amy Poehler, and Seth Meyers had lunch together.

Laurence Fishburn says he almost got into an accident after smoking pot and going on a motorcycle ride with Frank Gehry in Russia. Jack Nicholson says that Anjelica Huston beat him up after she found out that he'd impregnated Rebecca Broussard. Norman Mailer's son, John, says that he's not trying to cash in on his father's death by adapting The Naked and the Dead for film. There are a lot of parties at Art Basel in Miami. The Ridley Scott Gucci biopic will focus on the rise and fall of the family in the seventies and eighties. Ryan Phillippe and Aussie actress Abbie Cornish are now officially dating. Two shots were fired at two parked cars outside of Brad Pitt and Angelina Jolie's estate in Los Feliz, California. David Beckham wants another kid, but Posh does not. Hotelier Vikram Chatwal had to get a dozen stitches after falling into a swimming pool while playing with his dog with Stavros Niarchos. Atonement almost didn't get distribution because it contains the C-word. Scarlett Johansson is suing Us Weekly for putting her on the cover of their plastic-surgery issue. The Queen of England was not so thrilled with the profane comedy routine Joan Rivers performed at a London charity event. Drea de Matteo ordered Chinese food for her friends and family after giving birth to Alabama.