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PrivacyWatch celebrity sightings are submitted by the loyal readers of Defamer. 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 Britney Spears huffing smokes while eating poolside chicken fingers.

In today's installment: Britney Spears, Jeremy Piven, Paris Hilton, Vince Vaughn, Jack Black, Dwayne "The Rock" Johnson, Luke Wilson, David Beckham, Dennis Hopper, Gwen Stefani, Cuba Gooding Jr., Jeff Goldblum, Zooey Deschanel, Rainn Wilson, Giovanni Ribisi, Judy Greer, Phil Spector, Kevin Federline, Morgan Spurlock, Kristen Chenoweth, Judy Greer, Cloris Leachman, John Slattery, Emma Stone, Bijou Philips, Jane Lynch, Dean Cain, John Corbett, Paul Scheer, and more.

SATURDAY, MAY 24
While surrounded by Brody Jenner-looking date

rapists at Happy Endings, I spotted a welcomed sight: Seth Morris, Owen Burke, and Paul Scheer. Joined by a bunch of other UCB comic types upstairs in the corner and looking almost as out of place as me.

WEDNESDAY, JUNE 4
Saw Cloris Leachman at the Aqua Lounge watching Jeff Goldblum and his band play some jazz standards. Jeff's pretty talented on the keyboard, but the group as a whole made me feel like I was at someone's wedding.

Wednesday afternoon, my friend and I are having our usually mid-week lunch time phone conversation. In mid-conversation he gasps and tells me that he is at Chipotle in BH and David Beckham has just walked in. No f''ing way! David F'ing Beckham in Chipotle! BTW - what's up with that family and Mexican food? Just wish I could get shot in person of David's burrito! hehe

FRIDAY, JUNE 6
Vince Vaughn at the Greek Theatre for A Prairie Home Companion on June 6. Thinking he's a Garrison Keillor fan definitely makes me like him a little more.

Driving on Ledgewood in Hollywoodland today, I saw Phil Spector driving a Mercedes convertible, wearing that crazy giant curly fright wig he dropped in favor of the lesbian pageboy thing he wore in court. He wears it while driving a convertible! How the hell do you bolt that on?

Cuba Gooding Jr. with 2 friends eating sushi at Hana Sushi in Brentwood. He was a lot smaller than I thought he would be and was definately enjoying his wine. He was nice to everyone that came up and talked with him. He was abnormally excited about going to Q's (the pool bar next door). Oh wait, it was beer pong night. I'd be excited too!

SUNDAY, JUNE 8
Judy Greer (aka Kitty from Arrested Development) spotted Friday night at St Nick's Pub on 3rd st, sitting in a booth with friends. Had to stop myself from making a George Bluth reference.

MONDAY, JUNE 9
I love the show Mad Men, so what a thrill to spot Sterling Cooper honcho John Slattery getting his caffeine on at the Starbucks on Main Street in Santa Monica.

TUESDAY, JUNE 10
Former TV Superman Dean Cain swooping down into Beverly Hills for some shopping at Tom's Toys on Beverly Drive.

THURSDAY, JUNE 12
Saw John Corbett at LAX on Thursday. T-shirt, jeans, boots, with tinted Ray-Bans at the Hudson Books. Tall with a paunch that looks just right on him. Looks like a very hip carpenter. No one seemed to notice him even though he's a pretty big dude.

At the Palms in Vegas for a little work and a little fun, CineVegas is happening. I caught the opening night film, The Rocker, and went to the after party at Moon and the cast was there. Emma Stone is stunning in person, her waist is teeny and her skin is all Hollywood teen glow, she was hanging out with who I think was her mom. Jane Lynch was in a cool 50's style dress with pockets, lady is tall and very animated when she talks. Open bar here is a dangerous thing.

I was having dinner at the Mel's on Sunset Blvd. across from Ketchup. As me and my boyfriend got up to leave, I heard an easily recognizable voice. I look down and sitting at a booth with a couple of her friends was the star of Broadway's Wicked and ABC's Pushing Daisies, Kristin Chenoweth. She looked adorable as ever!

FRIDAY, JUNE 13
Around 8 am, I passed the front desk at The Palms and saw Dennis Hopper talking to who I assume was his assistant. He looks good for an older guy, white hair, sharply dressed, short and holding onto a bottle of water. I then head to the elevator and walk past Rainn Wilson in red wayfarers and a golf shirt, he's tall and funny looking, the same as one would imagine. Seemed like he had a long night and was asking where the Coffee Bean was. Later in the day, Bill Pullman came through the casino in a navy blazer, he stopped and took photos with people. There was a CineVegas anniversary party at the Palms Place pool. Hopper, George Maloof and tons of people were there including some guy with a cat perched on his shoulder and Britney Spears. She was seated in a cabana with a velvet rope in front of it where two HUGE security guys minded her and a few friends. She was in a black cocktail dress and sat sipping her drink and was surprisingly pretty. The fake tan didn't look so fake and she looked like she had been styled for the night. I wouldn't have noticed her had it not been for the rope. The whole thing was weird. Like walking past a diorama in the Natural History Museum...The Britney Exhibit. She sat watching the party happen and the party peered at her like she was some kind endangered species....and of course, Prince Paul kept interrupting his set to play her music. Tres surreal.

Jeremy Piven looking very chubby at Zen Zoo, on Vine.

Lunchtime in Beverly Hills near the Chipotle, I THINK I saw Jack Black coming down the sidewalk. He was carrying a bag of fast food, unlike other Bev Hills denizens, who carry bags of ugly empire-waisted dresses. I wasn't super certain it was him...but then I saw that belly, that belly that practically got second billing on Nacho Libre. I hope it was him as I said "Hello, awesome!" as we passed each other on the sidewalk. If it was just another chubby dude, then THAT was terribly embarrassing...

Luke Wilson looking extremely hot at my local pavillion supermarket in Santa Monica. Drove off in his illegally tinted silver porsche and while at the red light, kept raising and lowering his window like he couldn't decide if he wanted to be noticed. Looking very sexy tho.

SATURDAY, JUNE 14
Britney at Palms Place in Vegas. There with one of her enablers and a Russian bodyguard. She was chain smoking cigarettes and eating chicken fingers as she sat by the pool. It's true — she's all class.

Saw Giovanni Ribisi at the carwash on Vermont and Prospect. He smoked a cigarette and read a script while he waited for his car. He kept to himself and was completely unassuming so much so I almost feel guilty sending in this sighting. I wasn't able to see what type of car he drives as my car was finished before his.

At the valet stand at Planet Hollywood, I waited for my keys and looked to my left, there standing beside me was Kevin Federline. He's a little guy, wearing his requisite white t-shirt and baggy shorts. Wasn't impressed. Probably not a coincidence that Britney is in town too. Later that night at the Palms, I saw Bijou Philips perform at another CineVegas party. She sang for a little while and hung out by the pool, her voice wasn't half bad. Spotted Traci Lords waiting for an elevator in stilettos and a tight black dress, she has aged insanely well.

SUNDAY, JUNE 15
In Planet Hollywood, I saw Dwayne Johnson tan, lean and HOT coming down the main escalator going to a screening of Get Smart. He's tall and surprisingly good looking, not bulky or wrestler-esque. He stopped and signed autographs in the casino and had a seriously huge entourage.

Back at the Palms, I saw a sunburned Morgan Spurlock by the pool, handlebar moustache in full effect. Passed by Beastie Boy MCA (Adam Yauch) on the casino floor.

MONDAY, JUNE 16
I saw Vincent Kartheiser of Mad Men on the Continental redeye from Newark to LAX. He was dressed just like Pete Campbell in a brown suit and vintage skinny tie, and bopping around the terminal to whatever was on his iPod. Staying in his character's groove I guess, he was only slightly more subdued once on board (first class of course). Much better looking in person than on the show, but an occasional burger wouldn't kill him - the guy is rail thin.

WEDNESDAY, JUNE 18
Last night I saw doe-eyed indie goddess/ingenue Zooey Deschanel at the Rilo Kiley Show at the Greek. Looked absolutely stunning (and happy), wearing a gorgeous green dress.

THURSDAY, JUNE 19
As we were leaving Juvenex Spa in Manhattan at 9pm, Paris Hilton was just coming in. She was all dressed up and decked out. I guess with the stress of being Paris she needed a massage.

Saw Gwen Stefani and family (including her dad) enjoying dinner at Buddha's Belly on Beverly last night (6/19). Aside from the few annoying paparazzi outside, they were pretty much left alone. Gwen looked gorgeous without all of that caked on makeup!