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PrivacyWatch celebrity sightings are submitted by our readers, and are posted several times a week, so send them in often—the fate of the universe relies upon it! Submit yours to tips[AT] (please put "sighting" or "PrivacyWatch" in the subject line so we don't lose them) and tell everyone about the time you saw Stephen Hawking flirting shamelessly with a restaurant hostess in Pasadena.

In today's episode: Cameron Diaz and Drew Barrymore; Al Pacino; Albert Brooks; Matthew Modine; Richard Lewis; Stephen Hawking; Orlando Bloom; Kate Walsh and Eva Mendes; Giovani Ribisi and Andy Samberg; Ted Danson and Mary Steenburgen; Paul Bettany; Peter Berg, Minka Kelly, and Jason Lee; John Cho; Ginnifer Goodwin; Christian Siriano; Vanessa Paradis; Mary McDonnell; Reggie Bush; Jason Taylor; Chris Parnell; and Joel Madden.

· Cameron Diaz tripped up the bleacher steps at the LA Derby Dolls: Sirens vs. Fight Crew match Saturday 3/15 around 8pm in Historic Philipinotown (Temple and Westlake). Shr laughed it off as Drew Barrymore helped her up. They were in a group of 5-10 people and left about 3 minutes before the end of the 4th quarter. Rumor has it that Drew Barrymore is filming a Roller Derby-related movie.

· 3/14 - On my way out of the Starbucks on Beverly in Beverly Hills during the early morning rush, I passed Matthew Modine. He was looking good, almost like he'd been frozen in the early '90s. A few blocks away at lunch time, I stood next to Albert Brooks at a street corner. He smiled at me. I enjoyed our little moment.

· 3/16 - I was walking toward a crowd that seemed to be gathered outside the garage next to the Crate and Barrel on Beverly in Beverly Hills. As I got closer, the crowd parted and out stepped a jovial Al Pacino and his little boy (sans twin girl). They were chatting it up and looked to be having quite the father/son day. Pacino was dressed in his trademark head to toe black ensemble.

· 3/20 - Driving past the Peninsula Hotel just after lunch time, I caught Larry David's arch nemesis/best bud Richard Lewis. In typical Richard Lewis fashion, he looked like he had enough of this life and appeared to be mumbling to himself.

· Saturday, March 15 - 9:30PM Stephen Hawking
Heading to Madre's in Pasadena after the Roller Derby (go Kung Pao Tina!), we were resigned to the fact Ms. Lopez's restaurant's time may had passed and we certainly didn't expect to see Mamma J-Lo herself. Needless to say, you could have pushed the lesbian, the homo and the straight girl over with a friggin feather when none other than quantum gravity father Stephen Hawking was sitting front and center at a table behind the hostess stand. As he was being wheeled back from the bathroom (no pictures of that as we do have some level of decorum/were blocked by his "assistant'), he was nice enough to stop and "chat" with several young admirers; with each compliment he kindly hit the "THANKS" button on his wheelchair-mounted computer, which meant a spooky robot-like voice echoed and bounced around the shabby-chic decor.

· Orlando Bloom at the SGI-USA Buddhist Youth Conference at El Camino College in Torrance on Sunday, March 16th. He ducked out during the closing statements and went backstage to greet the youth performers, where he told them that they were inspiring to him.

· March 14th- I saw Seth Rogen this afternoon at the Whole Foods on Fairfax. He was with a girl I assume was his girlfriend.

· 3/16/08 A friend and I were wearing out our Sunday brunch welcome at Dusty's in Silverlake when in walks Kate Walsh with a friend. I was stunned that she looked normal, yes still skinny, but not so skinny I wanted to force feed her lard. She then sat down near us and I had to field my friend's repeated inquires as to what she was eating. She ate Eggs Benedict, but I told my friend it was steamed puppies. That shut her up. Somehow we outlasted Kate and ended up catching Eva Mendes for the lunch rush. She looked tres relaxed and her body was bangin' despite wearing unfortunate/unflattering but very "in" high-waisted pants. Dark, face engulfing shades, per Hollywood norm, were worn by both ladies.

· Wed March 19 - 10ish Osteria Mozza...Giovani Ribisi, who appears to be shrinking every time I see him (or maybe I'm eating too much Mozza pasta), and Andy Samberg at a table of four. I wanted to tell him I gave my girlfriend a dick in a box for Christmas and she dumped be 72 hours later, but I didn't.

· Just saw Ted Danson and Mary Steenburgen at the Sunday morning Ojai farmers market. You'd notice him whether he was or wasn't famous because he's really tall and has a glowing shock of white hair. Mary Steenburgen looks more like the average Ojai matron — attractive, thin and not weirdly deformed like the plastic surgery veterans. They both had that fearful/wary/annoyed look stars do when they're out in public and they think people might approach. It must suck to have to be that defensive all the time.

· Paul Bettany at the Four Seasons cafe (3/16) late Sunday afternoon. Very tall, very pale, very cute. Winked at me the second time I spotted him in the lobby. Jennifer Connolly may have an appalling dress sense, but she's a lucky girl to have him.

· Last night, at the Wiltern, the Explosions in the Sky show: Friday Night Lights director Peter Berg, in a group with but not "with" with Minka Kelly, aka Lyla Garrity. At one silent point of the show some dude shouted "GO PANTHERS!" and Lyla said "That's awesome!" and high-fived with Berg. Also there: Jason Lee, sporting full Earl mustache, checking me out while smoking outside :)

· Friday, 3/14: A very tall John Cho sighted on Virgin America flight from LAX to SFO. Was wearing a bandage around his wrist. Accompanied by white CAA flack. Overheard him conversing about what to ask Baron Davis of the Golden State Warriors. Put on sunglasses when about to board, and then sat unobtrusively in first class. Heard others refer to him as "Harold! He's so cute!"

· Diminutive (aren't they all?) Ginnifer Goodwin came in for a late dinner at AOC Wednesday night. She was with a small group of folks, was seated at her table as the restaurant was clearing out around 10ish (another reminder of what an early town L.A. truly is), and carried a fucking awesome Miu Miu harlequin handbag that I totally covet.

· 3/14/08: Supertrannyhotmessferociafiercenessfromtransylvania Project Runway winner Christian Siriano at Popstarz in Weho. He was very tiny — Precious Moments sized — and very sweet allowing all the gheys to take pics with him. There was one overzealous girl who looked like she was going to crush his hollow bird bones with her 98-pounds of huggy grip.

· 3/15/08: BevCen Heritage 1981 — gotta love discount trendy clothes made of asbestos fibers, yo — Vanessa Paradis and spawns of Johnny Depp. She was with a nanny type and stuck at the chola-manned checkout forever (XXI). Nobody seemed to know who she was. The ParaDepp kiddos are superadorable and well behaved. Vanny looked like a beat-down Keri Russell, but we know the sultry songstress can clean up real purdy and stuff, like face of Chanel purdy.

· Wednesday, 3-19-08, 8:30pm or so: OMG, the only and only but only somewhat awesome Mary "Battlestar Galactica" McDonnell, at LAX, at where else, but the fucking Aadmirals Club, Terminal 4, because we know why we fly. The starship she captains was not parked at any gate, so maybe she was just slumming at a fancy airport bar? The gal has big tits, but I'd still rather see one of those randy handsome young Battlestar fighter pilots. Oh well, next trip maybe.

· 10:55 AM, Friday 21 March USC Heisman trophy winner Reggie Bush sits with a woman sporting long straight black hair (who is not Kim Kardashian - BOOH!!) at an outdoor table at Jinky's on Sunset. No baseball hat, no sunglasses, white t-shirt, black track pants, sneakers. He eats some sort of meat that still has bones attached or inside (ribs or wings family). He orders a second meal, a sandwich, but when it comes he sends it back. It reappaears in a to-go box. A random tall white guy approaches him and starts blabbering about some pizza place he is opening. Reggie looks uncomfortable. Pizza man shuffles off. Reggie splits the check dutch with his dining companion. Reggie drives off in a low riding silver sports car with spoilers that leave no ground clearance. It is an unlogo'ed make that we have never seen before with tinted windows - but it looks like what a young millionaire athlete should drive. He also heads westbound down sunset. [Relegate this to Deadspin? The Dustbin?]

· I saw Jason Taylor of the Miami Dolphins pulling out of the Hollywood CBS Television complex on Sunday evening (March 17th), in his white Bentley convertible with Florida plates. He was talking to someone on his cell and had a big smile on his face. Maybe he just cut a TV deal is giving up football for good?

· Ex-Narnia rapper Chris Parnell noshing with the rest of the lowlifes at Canter's on a Tuesday night (3/11). Chatting with a female friend, looked platonic. Couldn't see his plate to see if he ordered one of their deliciously spongy Monte Cristos. Seriously, best thing on the menu.

· sat march 15th. noon. joel madden just walked into the Armenian starbucks in glendale on pacific and burchett. he's totally blinged out and wearing that little black hat. talking on his phone. Looks like he pulled up in a black mercedes suv. no nicole or harlow in sight. :-(