Kevin Spacey 'Back on the Horse,' Literally!!! Returns to Filming After UK Trial Acquittal

Kevin Spacey is ready to giddy up and get back to work ... over a year after he was acquitted in his sexual assault trial in the UK.

The actor gave a glimpse of his new role Friday, posting on X a photo of himself sitting on a horse on the set of his new project.

Per Kevin, he's currently on location in Phoenix, Arizona filming the upcoming flick ... though, he made no mention of the film's title.

Martha Stewart I Cheated 'Early On' in My Marriage!!!

Martha Stewart may seem picture-perfect in the media, but the lifestyle guru is admitting to a flaw in her past ... she's confessed to cheating on her ex-husband, Andrew Stewart.

The business mogul shares the shocking revelation in a trailer for her upcoming Netflix documentary, in which she advises women to leave their husbands if they're discovered to be unfaithful.

As she puts it ... men who cheat are "piece[s] of s***" ... though, she's a lot more forgiving of women who stray, given her own past.

'Star Wars' Fans Lash Out Over Transgender Stormtrooper ... 'No Freaking Way'

The decision to include a transgender character in a new 'Star Wars' project has sparked a strong reaction from its super vocal fanbase ... with some being more supportive than others.

The space saga dropped a new book in its franchise Tuesday, titled "Star Wars: The Secrets of the Clone Troopers," in which readers get well acquainted with a Stormtrooper named Sister.

It didn't take long for Sister's character description and picture to pop up on X ... including the tidbit that Sister "expressed her gender identity differently than her fellow troopers."

Aubrey Plaza Gettin' Lit At WNBA Finals ... Caught 'Reading' Book

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Aubrey Plaza's reading sesh was interrupted by a major WNBA Finals game on Thursday ... 'cause the actress was spotted pretending to be deep into a novel from her courtside seat!!

The "Agatha All Along" star was one of many celebs at Game 1 of the Minnesota Lynx and New York Liberty matchup ... and fans went wild when she appeared on the jumbotron.

However, Plaza acted like she wasn't prepared to be on the big screen ... playing it off like she was oblivious to being recorded as she absorbed some words.

Jessica Chastain Blasted For 'Tone Deaf' Response To JetBlue ... I Deserve More Than $15

Jessica Chastain is receiving mixed reviews on social media over her criticism of JetBlue and handling of a $15 refund from the airline.

Here's the deal ... the actress and her husband, Gian Luca Passi de Preposulo, took a 6-hour JetBlue flight, but the entertainment system didn't work, so Jessica complained to the company's management.

In a now-deleted post on X, Jessica griped that her flight cost $1,500, which means the credit was only 1/100 of what she paid for the overall flying experience.

Ashton kutcher Classic Corvette Breaks Down ... Dude, Help My Car!!!

Ashton Kutcher ran into some car troubles while tooling around in his classic Corvette ... and he needed a hand to get his ride running again.

The "Dude, Where's My Car?" star was out for a spin Thursday in Sherman Oaks when his Corvette appeared to break down.

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Ashton pulled off into a driveway and had to get out of the car and literally push it to the curb so he could park and assess the issue.

Theresa Randle Arrested For Felony Assault

Actress Theresa Randle was arrested for assault this week in Los Angeles ... TMZ has learned.

Law enforcement sources tell TMZ cops were first called to an L.A.-area home for an alleged assault on October 5. Officers responded and took a report -- Randle was gone by that time. Two days later, they got another call from the same location reporting a possible domestic issue and a potential restraining order violation.

Sources say when officers arrived, the "Bad Boys" actress was at the scene, and she was arrested for felony assault -- for the October 5 incident.

Donald Trump Trolled By 'The Apprentice' At Penn. Rally ... Trump's Camp Claps Back

Donald Trump is getting trolled by the film he fought tooth and nail to prevent from being released ... and marketers for the flick are rubbing it in his face at one of his rallies.

Trump held an event Wednesday in Reading, Pennsylvania ... and midway through, the people behind "The Apprentice" pulled a publicity stunt that likely pissed him off.

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'THE APPRENTICE' TROLLS TRUMP

A plane flew over the crowd ... with a banner reading, "TRUMP, GO SEE THE APPRENTICE FRIDAY."

Dove Cameron Flaunts Her Headlights ... In Topless City of Light Selfie

Dove Cameron said "au revoir" to Paris by posting a racy mirror selfie ... in which she left little to the imagination.

The singer closed out her trip to the City of Light by sharing on Instagram a number of intimate photos from her getaway, including one selfie where the former Disney Channel star went totally topless.

The upload has already caused quite a stir, garnering nearly a million likes in under an hour.

Lupita Nyong'o Single After Joshua Jackson Split ... I'm Committed to My Cat!!!

Lupita Nyong'o is taking some time away from the dating scene ... confirming she and Joshua Jackson aren't together anymore -- and, saying she's focused on another little guy in her life.

The actress sat down for an interview with Harper's Bazaar UK, published Tuesday, in which she confirms she's no longer involved with Jackson after less than a year together.

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When talking about her rescue cat, Yoyo, Lupita said her love for him is singular ... explaining that if she's "ever so lucky to be in a romantic relationship again," it'll be all thanks to Yoyo.

'Joker: Folie à Deux' Actor Getting Fanboy Wrath Laughs It Off ... The Film's Meant to Be Polarizing!!!

"Joker: Folie à Deux" is officially DOA -- even wildly despised by some theatergoers -- but the actor at the center of one of the biggest fanboy gripes has one question ... Why so serious?

Be warned ... there are major spoilers for 'Joker 2' below!

Here's the deal ... The highly anticipated sequel starring Lady Gaga and Joaquin Phoenix only made a weak $20 million at the domestic box office opening weekend ... and even worse ... the Todd Phillips-led movie got slapped with a dismal "D" grade on CinemaScore.

Ronna In 'Go' 'Memba Her?!

Former Canadian actress Sarah Polley was 20 years old when she played Ronna -- the drug dealing store clerk turned speed bump who's living paycheck to paycheck -- in the comedy/crime film "Go" back in 1999.

Sarah shared the big screen and played opposite Timothy Olyphant as a fellow drug dealer wanting to scare Ronna, Todd Gaines, Scott Wolf as the dude lookin' to score some ecstasy, Adam and Katie Holmes as the cashier and Ronna's less confident co-worker, Claire Montgomery.

Other cast-worthy mentions include Jay Mohr, Taye Diggs and Melissa McCarthy.

Guess what she looks like now!

Matthew McConaughey Alright, Alright, Alright, Kiddo!!! Gives Son Levi Pep Talk on Set of New Movie

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Matthew McConaughey is making sure his 16-year-old son, Levi, is doing alright, alright, alright on the set of his big break ... TMZ has learned.

In video footage obtained by TMZ ... the Oscar winner is seen reassuring his and Camila Alves' son, who is on set at Mission Beach in San Diego filming his breakout role in the movie, "Way of the Warrior Kid."

Levi clearly appears nervous before one particular take, turning to his famous dad -- who is not involved in the film -- for advice.

Keanu Reeves, Sandra Bullock Roll Up At 'Speed' Anniversary Screening

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Keanu Reeves and Sandra Bullock had an epic reunion ... rolling up for a special 30-year anniversary screening of their iconic film, "Speed."

Yes, it's hard to believe it’s been 3 decades since the action thriller launched Sandra into stardom -- and she looked just as stunning as she did back then when she arrived at Hollywood's Egyptian Theatre, just after Keanu made his entrance Tuesday night.

The film solidified Keanu's leading man status ... and he was back in charge last night, signing autographs before heading into the venue for an adrenaline-packed dose of nostalgia.

Jussie Smollett This Is No Hoax ... My Mom's Home Was Nearly Broken Into

Jussie Smollett had another brush with the law -- only this time the crime was for real, and it involved one of his closest family members!

Sources with direct knowledge tell TMZ ... Jussie's mom, Janet, had her L.A. home nearly burglarized by a couple of would-be thieves Monday night -- and her actor son immediately rushed to her side to make sure she was all right. Thankfully, she was.

Here's how it all went down ... two prowlers showed up at Janet's house and tried to smash open a back door, causing $300 in damage to a window. We're told the suspects were unable to get inside her residence.

Qantas Apologizes For Showing Sexually Explicit Film ... 'Daddio' On All Screens

A major Australian airline is apologizing after showing a sexually explicit movie on every single screen during a 10-hour flight ... horrifying passengers who had no say in their in-flight entertainment.

The movie on this flight was "Daddio" ... which stars Dakota Johnson and Sean Penn and features graphic nudity, sexting and tons of profanity.

The film's IMDB Parents Guide section notes "Photos of nude female breasts & a prosthetic penis are shown on a phone."