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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?

Olivier Martinez rolled up to the last place anyone would think to see him Wednesday PM ... the home of his soon-to-be ex-wife Halle Berry.

He wasn't there picking up a pair of old shoes either ... he resurfaced 10 minutes later and drove off.

They have filed dueling divorce cases this week, each claiming to be the petitioner.

Vin Diesel's daughter Hania already has the kick ass look nailed down ... and she's only 7.

Vin's got Hania training with champ UFC fighter Ronda Rousey, and had her refuel with some fancy Chinese food Monday night on a father/daughter date at Mr Chow in Bev Hills.

Christina Milian qualified for the Golden Globes Monday in NYC.

Jimmy Fallon was worse for wear as he got off a chopper in NYC, after his latest mishap that left him in multiple bandages.

Jimmy and his family returned from Harvard, where he tripped over a woman as he was holding a bottle of Jagermeister. Jimmy and the bottle hit the ground, and the glass shards cut his fingers.

The famous talk show host went to the hospital and made light of it, returning to the party where he was honored by the Harvard Lampoon, but in the light of day you see how the bottle took its toll.

Jimmy is still recovering from a nasty accident involving his ring finger, which was far more serious.

Kourtney Kardashian did dinner with a new man Sunday night -- in a very single mom kinda way -- and instead of romance ... Scott Disick was likely the main topic of conversation.

Kourtney was at Toscanova in Calabasas with two of her kids, Mason and Penelope, and the apparent suitor, whose name is Chris Reda. He's a good friend of Scott's, who's visited him in rehab recently ... according to our sources.

So there's a good chance he was just giving Kourtney an update.

Ultimately, Kourtney's recent night out in WeHo with Justin Bieber was probably more romantic than dinner with Chris.

Kim Kardashian has figured out the whole pregnancy thing ... she's way more comfortable the second time around, even letting it all hang out.

The Kardashians threw a pajama-themed baby shower in Bev Hills over the weekend. Kim, who's 7 months pregnant, was looking good with North wearing matching PJs.

Way better than the tight-fitting stuff, which looked excruciating.

Shia LaBeouf grabbed some lunch Friday at a restaurant chain famous for feeding the inebriated.

Shia grabbed some grub from the Taco Bell in Sherman Oaks. He was wearing a retro Nascar shirt tucked into his grey sweatpants.

TMZ broke the story, Shia was arrested in Austin earlier this month for public intoxication.

With nothing left to hide ... Morena Baccarin and Benjamin McKenzie are getting kinda touchy on the NYC set of "Gotham."

Even when cameras weren't rolling Thursday, Ben slipped in a little PDA with his baby mama.

Morena was wearing a baggy coat and scarf as they waited to shoot a scene ... so it doesn't look like they're working the pregnancy into a "Gotham" plotline.

Siegfried and Roy shook off any of the jitters you might expect them to have -- and snuggled up to a new arrival at The Mirage ... a baby tiger.

The magic duo bottle fed the little big cat in Vegas on Thursday ... as they returned to the resort where they famously performed for years, and where Roy was nearly killed during a tiger attack.

Clearly, no hard feelings. Plus, it's impossible to resist adorable baby tigers.