• Remember how Sean Penn and Robin Wright Penn said they were divorcing a few months ago, but then changed their minds and announced they were getting back together? Yea, well, they're divorcing again. [P6, People]
• ESPN's Erin Andrews, the reporter who was filmed in the nude without her consent a few weeks back, can be seen in a new set of "dirty" photos. This time it was intentional, though. [NYDN]
• Celine Dion and the man she calls her husband (but who we always confuse with her grandfather for some reason) are expecting their second child. [OK]
• Leighton Meester was shouting and carrying on with her friends at Philippe in East Hampton last weekend, much to the annoyance of other diners present like NBC chief Jeff Zucker and billionaire Steve Schwarzman. [P6]

Firmly establishing The Ellen DeGeneres Show as the place where disgruntled Grey's Anatomy actors can go to seethe about their dropped costars, Eric Dane appeared today and was promptly asked about Katherine Heigl.

1/14 — Interesting night last night: ERIC DANE at Joan's on Third, strolling around on his cell phone, yapping away, trying to look important. Nearly didn't recognize him - he weighs at least 40 pounds less than I thought he would. Made some snide comment to my friend that he looked like he had cancer - to which she reminded me HE DID. I'm going straight to hell. [Hollywood PrivacyWatch is written by and for Defamer readers; send your sightings to tips@defamer.com.]

Filmmaker Morgan Spurlock is 38 today. Joni Mitchell is 65. Reverend Billy Graham is 90. General David Petraeus is turning 56. Former Brady Bunch star Christopher Knight turns 51. Lost star Yunjin Kim is 35. Interior designer John Barman is 59. And twin actors Jeremy and Jason London are 36. Weekend birthdays after the jump.

PrivacyWatch celebrity sightings are submitted by our millions of Defamer operatives. We'd like to remind you that this feature is powered by you, so if you want to see more installments of PrivacyWatch, then all you've got to do is to send us your sightings. Submit yours to tips[AT]defamer.com (please put "sighting" or "PrivacyWatch" in the subject line so we don't lose them) and tell everyone about the time you saw Adrian Grenier getting ready to Diving Bell the Butterfly out of "some model looking chick."

Mid-February must be Hepatitis A season, as nearly a year-to-the-day from the Wolfgang Puck scare that made rubber surgical gloves and gas masks the accessories of choice at awards season soirées comes another potentially devastating celebrity contagion. Ashton Kutcher celebrated his 30th birthday [ed. note: Again?] two weeks ago at a club in New York, but it's only just now surfaced that a waitress working there at the time was infected with the jaundicing disease, putting such luminaries in attendance as Madonna and Gwyneth Paltrow (and, to a lesser urgent-extent, Molly Sims and Rachel Zoe) at risk. Star magazine reports:

In a Suspicious Celebrity Growth Exclusive, Grey's Anatomy star Eric Dane shares with OK! magazine the harrowing experience of having learned that a melanoma had developed on his lip. Noticing a patch of what he thought was just chapped skin on his mouth, the actor credits the writers strike with allowing him the time to call a doctor and have check it checked out. (Yay, writers strike!) Little could he have known then of the topical ointment horrors to follow: