TMZ.com

Here's Blake Lively channeling Britney Spears at her movie premiere ... with a nod to one of the singer's most iconic looks.

Blake turned heads Tuesday at the "It Ends With Us" premiere in New York ... wearing a one-strap Versace dress once worn by Britney herself.

The homage to Britney comes on the heels of news about Britney's bestselling memoir being on track to be turned into a biopic.

Zac Efron is back on American soil after being hospitalized in Spain ... following an incident in a swimming pool ... and TMZ has the first images of the actor arriving in the States.

As you can see, Zac is rolling deep ... he's got a whole entourage with him on the tarmac at a Miami airport after taking a private flight home from Ibiza.

Looks like Zac is bringing home some souvenirs from his summer vacation in Europe ... peep his hat -- seems he picked up this lid in Mykonos, Greece.

Zac Efron's swimming pool incident started when he dove into the water ... the dive was so deep, he hit the bottom of the pool and ingested water into his lungs ... TMZ has learned.

Sources close to the situation tell us Zac went for a swim with friends very early Saturday morning in Ibiza when he decided to take a dive.

We're told Zac ingested a large amount of water into his lungs when his chest hit the bottom of the pool on the dive ... and he showed signs of distress and onsite security helped him out of the water.

Legendary film director David Lynch says he's suffering from emphysema ... but that's not stopping him from continuing his passion for creating art.

Lynch – best known for his 1980s hit movies "The Elephant Man" and "Blue Velvet" – jumped on X and posted a message Monday, saying his emphysema -- a lung disease -- was caused by years of chain smoking despite putting down cigarettes for good two years ago.

Still, he says medical tests show he's in wonderful shape and that's why he refuses to retire from his acclaimed career.

Leonardo DiCaprio's yacht day in Sardinia didn't go according to plan ... as the actor had an unfortunate run-in with some sea life.

The Oscar winner was enjoying a dip in the Mediterranean Sea with his girlfriend, Vittoria Ceretti, as they jetted around the crystal blue water in goggles. Yet, the fun times didn't last long, as Leo soon emerged from the water ... and called out for help regarding a mark just below his tush.

Clearly suffering from a jellyfish sting or a bite of some sort, Leo hopped beneath the yacht's outdoor shower ... where his model girlfriend took a closer look at the wound.

Will Smith might want to start gearing up for the apocalypse ... 'cause he seemed to have the streets all to himself in the early morning -- and, it got him thinking about "I Am Legend."

The actor shared a video to Instagram ... telling fans he's walking through Zurich, Switzerland, in the early hours and flashing back to the hit 2007 flick -- 'cause he says he's not seeing another soul.

Smith explains he's only in Zurich because his plane couldn't take off ... unclear why exactly he's in Europe -- but, he says he needed to spend the night.

Zac Efron says he's feeling fine after an overnight stay in the hospital ... posting a workout pic to show fans he's already back up and lifting.

The actor shared the snap to his Instagram story just minutes ago ... chest-pressing some pretty major dumbbells while lying atop a yoga ball -- implying he's not taking any days off from the grind.

Efron writes he's "happy and healthy" and thanks everyone for their well-wishes. He even adds the date -- doing everything to let fans know they took the photo earlier Sunday.

Josh Hartnett took some inspiration from his real life for his recent serial killer role ... saying he based his psychopath on others he's met -- in the film industry!

The actor sat down for an interview with Entertainment Weekly Friday ... and he talks about diving into the mind of a serial killer like he did for his new movie "Trap" directed by M. Night Shyamalan.

Hartnett explains there are a lot of people on top -- CEOs, politicians and even people in entertainment -- who will say or do anything to get what they want ... regardless of the people they hurt to do it.

Robert Downey Jr. returning to the Marvel Cinematic Universe as Dr. Doom has some fans already bitching ... but one fellow actor who's worn the villain's iron mask is all in.

Here's the deal ... RDJ made a jaw-dropping appearance at Comic-Con where his MCU return after years as Tony Stark, AKA Iron Man, was announced ... which of course led to some clutching their nerd pearls -- as if it would sully his Marvel legacy.

Joseph Culp, who played Dr. Doom in the infamous 1994 “The Fantastic 4” film-- which never got an official release over an epic rights fight and has been bootlegged all to hell -- tells TMZ the trash talk needs to stop ... 'cause RDJ was and is the Marvel man!

Demi Moore's breaking wind with her new take -- she’s calling for farting to be normalized and wondering why it’s such a gas-tly issue.

The actress let it out while collab-ing with digestive health company Wonderbelly for a hilarious IG clip ... reading up on the history of flatulence from the company's new book "An Adult's Guide to Farts" to help her daughters Rumer, Scout, and Tallulah embrace the wind.

From blaming the dog to changing your identity ... Demi spilled the gas-causing beans on all the ways we commonly deal with farting.

Ryan Reynolds is weighing in on Jamie Lee Curtis' Marvel criticism and subsequent apology ... and the actor's response to the sitch would make Deadpool proud.

Here's the deal ... after JLC issued a heartfelt apology for recently claiming Marvel was in its "bad" phase, the "Deadpool & Wolverine" star chimed in -- and reminded everyone Jamie Lee's original quip really wasn't all that serious ... nor did it warrant an I'm-sorry.

Ryan took to X on Thursday amid Jamie Lee's announcement that she'd stop with the "mud slinging" -- with RR making it clear the apology wasn't necessary in the first place.

Britney Spears' life is ready for the big screen -- her bestselling memoir is on track to be turned into a biopic ... and we now know who's got the final say on who plays Brit.

Universal Pictures made the announcement Thursday -- saying they've secured the rights to the singer's book, "The Woman In Me," with filmmaker Jon M. Chu set to direct and Marc Platt set to produce/develop.

Sources familiar with the project tell us there've been no conversations yet about who would be cast to play Britney ... there isn't a casting director attached to the movie at this point, but we're told Britney will have casting approval. So, what she says goes on the lead star.

Sharon Stone just served up an update on the black eye she got during her Turkish getaway ... easing fans’ worries about her gruesome injury.

In an IG clip outside her Turkey villa, the actress dished her current European tour left her so dazed she didn’t know where she was. The result? She ended up giving her face a smack against the marble while stumbling to the bathroom in the middle of the night to pee.

Sharon didn’t spell out exactly how her face met the marble floor ... but it was clear she took a nosedive while navigating her late-night bathroom trip.

Matt Damon made it a full family affair at Wednesday night's NYC premiere of his latest film "The Instigators."

The Academy Award-winning actor brought along his beautiful wife Luciana Barroso and their daughters -- Isabella, 18, Gia, 15, and Stella, 13 -- to enjoy his new action flick at Lincoln Center in Manhattan.

Luciana's 24-year-old daughter Alexia with her ex-husband, Arbello Barroso, was also in attendance along with Matt's mom, Nancy Carlsson-Paige.

Sharon Stone is one tough cookie ... because she powered through a black eye on a European getaway.

The "Basic Instinct" star just shared a photo showing what appears to be a massive shiner covering one of her eyes ... which she apparently suffered on vacation in Turkey.

Sharon says ... "This trip has been tough; but I'm tougher."

Richard Simmons’ family is fuming over Pauly Shore trying to cast doubt on the authenticity of the late fitness guru's most recent posts ... and they're coming out swinging.

RS' team dropped a statement from his brother Lenny on X Wednesday -- clearing things up, writing ... "Dicky absolutely wrote his own posts. He worked on them a week in advance, going over and over them to get the right message."

Lenny added Richard would usually show his posts to him and his wife Cathy before they went live. So they’re saying it was definitely Richard behind those messages ... despite Pauly recently saying he wasn't so sure.