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Kristin Cavallari is kicking off the new school year by detailing her "bad girl era" ... and she says it all started when she was only in 4th grade.

Check it out ... on today's episode of Cavallari's "Let's Be Honest Podcast," she told her millions of listeners her 4th-grade teacher read through her diary, which had the word f*** written in it.

The reality star disclosed her 8th grade school year later became the "turning point" for her rebellious ways ... faking sickness and calling out, piercing her bellybutton with safety pins, taking trains without an adult, and quaffing airplane bottles of booze at school.

"Love Island USA" alum Taylor Williams had a scary night at the rodeo after being thrown off his horse in front of a packed crowd.

The 24-year-old reality star was competing Friday at the Arizona Invitational Black Rodeo in Scottsdale when his horse stumbled into another animal, sending them both tumbling.

Social media footage shows the shocking moment Taylor’s horse went down hard and the Oklahoma native appeared trapped under the animal as it rolled.

Huda Mustafa brings the heat no matter where she goes ... whether in the 'Love Island' villa or lounging by the pool in these hot shots!

The reality TV turned 25 on Saturday ... and, we've put together her best looking photos for you to peruse.

Mustafa's always looked ready for TV ... stunning in a tiny red bikini in these promotional pics taken for the show.

Ashton Bingham and Art Kulik -- the YouTubers behind the wildly successful Trilogy Media channel -- are patting themselves on the back for the role they played in taking down an international scam ring.

We caught up with the internet sensations on "TMZ Live" Friday, where they detailed how their "scam-baiting" stunt escalated to a full-blown investigation ... and how the IRL sting operation inspired real change on a federal level.

Watch the video ... Ashton and Art beam as they proudly explain how their back-and-forth communication with some scammers caused the culprits in question to accidentally make themselves vulnerable -- essentially exposing their identities.

Marco Donatelli has been one of the few "Love Island USA" winners to successfully stay together with his coupled-up partner ... and he tells us he's firmly in Pepe Garcia's corner -- who recently revealed to us his own 'LI' relationship is donezo.

We caught up with the twin-like island lads in Beverly Hills ... they tell us they met through the island grapevine -- Marco is the show's Season 5 winner, and Pepe was a finalist on Season 7 -- and they've been leaning on each other for support after time in the villa.

Marco and his fiancée Hannah Wright announced their engagement back in May, and he shares there aren't any locked-in wedding plans just yet ... but he's ready to get the ball rolling in the kid department.

"Saturday Night Live" is shaking up its cast ... and, TMZ has learned the name of a potential replacement -- comedian Kam Patterson!

Sources with direct knowledge tell TMZ ... 'SNL' is looking at Kam as a possible new cast member -- though he hasn't been sent an official offer yet.

The show is still working on filling other open spots on the show, we're told ... and those decisions will come down soon, as the new season is just weeks away.

Daymond John is "in" on Taylor Swift and Travis Kelce's engagement ... calling the future nuptials a big financial and influential win for the couple.

We caught up with the "Shark Tank" investor on "TMZ Live," where he explained that Swelce's stock is only going to rise once they become husband and wife.

DJ compared the betrothed pair to the likes of Jay-Z and Beyonce, or David and Victoria Beckham ... as they both bring their own successful brands to the table.

Olivia Hill is urging the public not to blame the entire transgender community for the actions of one disturbed individual ... claiming identity doesn't matter in situations like the recent Minneapolis shooting, but actions do.

We caught up with the Metropolitan Council Member-at-Large of Nashville and Davidson County in Tennessee -- an openly transgender woman who took office in 2023 -- and she says Robin Westman, the Annunciation School shooter who was reportedly trans, was a horrible person ... simple as that.

Hill says she doesn't care about a person's race, religion, sexual orientation or gender identity ... insisting all those markers should be stripped away when discussing heinous crimes.

Nicole Eggert says she underwent a major surgery this past weekend ... sharing a photo from after her mastectomy.

The actress shared a pic Wednesday in which she's wearing just a sports bra and a small pair of underwear ... no smile on her face.

She captioned the photo, "Had a mastectomy with reconstruction on Thursday. How was ur weekend?" -- so, she's putting on a pretty calm front despite the recent surgery.

A former FBI profiler says the public needs to take a more active role in identifying and reporting signs of potential mass shooters to the proper officials ... in light of devastating attacks like the one at a Catholic school in Minnesota Wednesday.

We spoke with Mary Ellen O'Toole -- a former profiler and author who wrote a prominent report on the Columbine High School shooting back in the day -- on "TMZ Live" ... and, she told us it matters to determine motive because these shooters aren't just "crazy."

O'Toole says past behavior plays a huge role in explaining why these shootings happen ... and the reasons are never as simple as good versus evil.

"1000-Lb Sisters" stars Amy and Tammy Slaton's cousin Katie has died following a battle with stage 4 cancer.

Her cousin Amanda Halterman announced her death on August 26, writing Katie "went to sit at the feet of Jesus yesterday."

Amanda described her late cousin as "a force to be reckoned with" and wrote she was "my best friend."

Jan Ravnik, who went viral as Taylor Swift's gorgeous "Eras" tour backup dancer, is ready to "shake, shake, shake, shake" it in the ballroom ... he's joined Season 34 of "Dancing With the Stars."

The ABC dancing competition broke the casting news Thursday, after previously teasing a Swift-centric update the day before.

ICYMI ... the 'DWTS' social accounts pushed out a photo of purple glitter, similar to the aesthetic shared by T Swift amid her new 'Life of a Showgirl' era.

Abby and Brittany Hensel are deep in family mode with Abby’s hubby Josh Bowling -- weeks after welcoming their first kid ... and even the family dog joined the outing.

The famous conjoined twins were spotted keeping it low-key over the weekend in their Minnesota hometown -- dropping their labradoodle at the groomer while Josh handled a grocery run at the local market.

The whole crew looked happy and settled -- truly in the thick of family life. With a newborn in the mix, things are clearly busy.

OnlyFans is either one of two things ... a toxic platform that destroys lives, or a lifeline for those seeking wealth and fulfillment ... at least depending on which OnlyFans model you're talking to.

Our new documentary "TMZ Presents: The War Over OnlyFans" presents both sides of this coin ... and then we put it up to a vote.

Amber Rose, Angela "Blac Chyna" White and Dan Benson are among the OnlyFans models who sat down with us to talk about their OnlyFans experiences ... and we also spoke with an OF creator who used to be a chancellor for the University of Wisconsin-La Crosse.

Thought you were spiraling over Taylor Swift’s engagement? Please ... TMZ’s newsroom damn near erupted into a massive Kelce-quake -- the tears, the screams, the chaos ... all caught on our livestream!

Check out the moment, caught while filming "TMZ Live" Tuesday -- it’s iconic. Harvey & Charles are deep in Lil Nas X talk when some distant screams kick in ... and BOOM -- our very own Courtney bursts out shrieking the happy news like it’s the scoop of the century.

TMZ goes full "Love Story" meltdown ... Courtney’s crying happy tears, Harvey beelines to his throne to blast the story out while Charlie and Scarlett chuck engagement facts at him like a pit crew -- all while our hard-hitting news director Jamie paces looking confused AF, like he missed the proposal entirely.

Brooks Nader’s risqué style finally hit a wall, 'cause daytime TV wasn't having any of it -- forcing her to scramble last minute for a wardrobe swap before the cameras rolled!

We spotted Brooks striking her signature poses before 'GMA' Tuesday morning in a cleavage-popping minidress that left very little to the imagination -- but when she reappeared post-interview, she was draped head to toe!

Brooks swapped into a classic white tee and blue jeans -- still stylish, but fully covered -- and joked to us the switch was 'cause, well ... her boobies were doing the most for morning TV.