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David Letterman's face says he's ready for Christmas, but his head's still dreaming of warmer days.

Yes, Dave had his retirement beard -- aka 'the full Santa Claus' -- as he arrived at his NYC apartment on Sunday. He was also sporting a knitted cap of the California state flag.

Kim Zolciak looked like the picture of health splashing in the Mexican surf, less than two months after a stroke and heart condition derailed her "Dancing with the Stars" gig.

Kim jumped waves with daughter Brielle and NFL hubby Kroy Biermann (who's got a week off). The whole fam flew to Cancun to celebrate her and Kroy's 4th wedding anniversary ... and quick road to recovery, which includes a bangin' bikini body.

And Brielle's clearly following in mom's footsteps in that department.

Kylie Jenner escaped unscathed from her sisters' Mexican food fight Thursday night and glammed herself up for a night on the town with boyfriend Tyga.

Earlier in the evening, Kylie posted a video of Khloe and Kourtney in a good ol' fashioned food fight ... though really it was just Khloe dousing Kourtney with sour cream and guacamole.

Kennedy Summers -- 2014's Playmate of the Year -- likes to keep things very loose and very free when she's walking the dog ... obviously.

Kennedy slipped into a red evening gown, and apparently ZERO underthings, to take her pooch out Tuesday in Hollywood.

The Game has grossly overestimated where his giant junk can take him because as far as we know ... being well endowed does not warrant a disabled parking placard.

The rapper pulled his tricked out jeep into a blue spot Tuesday during a bank run in the Valley -- but walked limp-free to and from his whip. A nearby security guard noticed Game's illegal parking job, and snapped a picture ... of the jeep.

Game's other ride ... was far more concealed this time around. But just in case you forgot (we know you didn't) ...

Patrick Dempsey and his estranged wife have not pulled the plug on their divorce, TMZ has learned, but it seems headed in that direction.

Patrick and Jillian Fink strolled down the streets of Paris in a handlock over the weekend. She filed for divorce in January, and our sources say Patrick has tried since then to repair the relationship.

We're told the big issue between the 2 has been Patrick's passion for racing cars. He was obsessed to the point he was gone for long stretches of time, which particularly bothered Jillian since they have 3 kids. We're told it didn't help that Patrick wasn't making any money racing, although it would seem he's plenty rich from God knows how many seasons of "Grey's Anatomy."

Our sources say Patrick and Jillian have already reached a divorce settlement although it hasn't been filed with the court. Nevertheless, they're clearly not fully committed to the divorce.

'Matrix' star Hugo Weaving stripped down to a tiny, tiny suit and hopped in the water as he enjoyed a day at Bondi Beach in Sydney, Australia.

Never send a banana hammock to do the job of board shorts.

Hilary Duff's gone a full 180 from her Disney days because she's now officially a pistol packing mama after a trip to a gun store.

Duff cruised out of a Culver City gun store over the weekend with a Glock case and ammo in hand, though it's unclear what model she purchased.

We've confirmed she picked up a firearm, but only after getting her handgun safety certificate.

As for why she bought it ... Duff's a single mom living home alone now, so it's either for home safety -- or a movie role. Leslie Croft -- Lara's long lost older sis?

Kris Jenner coulda thrown on an AARP windbreaker 2 days after her blowout 60th, but instead opted for a Yeezus tour jacket and a pair of Yeezy boots. Dopest sexagenarian ever!

Kanye West third-wheeled it with Kris and her BF Corey Camble as they hit up a movie theater in Calabasas Sunday afternoon.

KJ was no doubt still feeling a little hazy in the wake of her epic birthday bash Friday night in Hollywood.

Nothing says "I'm still hungover" like going out in all black ... clothing.

Patrick Schwarzenegger's got a new running mate -- when it comes to shopping -- and his name is Rob Lowe!

Rob and Patrick were having a blast shopping at an Yves Saint Laurent shop in Bev Hills over the weekend. Nothing shocking here ... just a 22-year-old bro and his 51-year-old homie checking out some overpriced clothing.

Blake Shelton and Gwen Stefani let their fingers do the talking Wednesday night in Nashville.

The freshly-formed couple arrived hand-in-hand at a CMA after-party ... thrown by Warner Bros. Music in Music Square.

Gwen's clutching a glass of white wine while Blake's got some sort of iced drink in his Styrofoam cup.

As we reported, Gwen decided at the last minute to accompany Blake to Nashville. We're told the relationship is new ... just days old.

Judging from the stars we talked to after the CMAs, country approves.

Charlotte McKinney showed up Wednesday night to GQ's Mexico Men of the Year Awards in a black dress that left little to the imagination, and yet ... you're imagining all sorts of things right now.

De nada, Mexico City. Does this make up for Trump?

Former "Baywatch" star David Chokachi didn't need to grab a life preserver and run in slow motion to save his daughter at the beach -- she just held on to Dad for dear life.

Chokachi, aka Cody Madison, took his little girl stand up paddleboarding Monday in Malibu ... and it looks like they both had a blast.

I won't let you outta my sight!

Jennifer Lopez is the best employment agency, and girlfriend, Casper Smart's ever had -- 'cause somehow the guy managed to score a role on her new cop drama.

Casper was on the set in NYC on Monday, shooting a scene with J Lo's "Shades of Blue" co-star Ray Liotta. Jennifer stars on the NBC show, but she's also executive producer.

Dating J Lo ... it pays in so many ways. Beyond the obvious, that is.

Halle Berry is suffering after her divorce ... from some serious post breakup HOTNESS!!!!

Halle surfaced Thursday afternoon for the first time since filing for divorce from French hubby Olivier Martinez.

So where was the "Extant" star headed? ... Starbucks? Pick up her kids? Divorce lawyer?

None of the above ... Halle stopped by the office of LA City Council President Herb J. Wesson, Jr. who's been working with the actress to bring awareness to the Jenesse Center, South LA's oldest domestic violence program.

BTW … Halle hasn’t ditched the ring on her wedding finger.

One season after he joked about getting rid of his seats, Jack Nicholson returned to Staples Center Wednesday night ... supporting the Lakers at their home opener.

Don't forget, both Nicholson and his famous friend Lou Adler expressed some serious frustrations with the team last year ... and it seemed like the Purple & Gold were in danger of losing their biggest fans.

But last night, there they were ... Lou and Jack back in their regular seats -- hoping this would be the year the Lake Show gets their groove back.

They lost.

Wonder if we'll see 'em again at the next home game on Sunday?