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A suspect has been arrested in connection to the scary invasion of Tekashi 6ix9ine's home ... TMZ has learned.

Pedro Roriguez -- a 19-year-old man -- was arrested and charged with armed home invasion robbery with a firearm, false imprisonment, grand theft and posession of marijuana with intent to sell or deliver ... according to the Palm Beach County Sheriff's Office.

Authorities say Rodriguez is just one of several suspects ... and, the investigation remains ongoing.

LAPD searched the hotel room where Nick Reiner checked in around the time his parents were murdered, and TMZ has been told the police did not have a search warrant.

Harvey explains during the latest episode of the "2 Angry Men" podcast what happened at around 1 AM Monday ... when an LAPD detective showed up at the Pierside Santa Monica hotel.

Sources with direct knowledge tell TMZ ... the detective told the front desk clerk he was looking for a guest named Nick Reiner. The detective told the clerk he was there for a "welfare check." But he also told the clerk he was concerned Reiner "disposed of a weapon and used the room to clean and dispose of evidence in a violent crime."

Hilaria Baldwin is ready to move her bustling brood -- but she's got no idea where!

TMZ caught up with the "Dancing with the Stars" alum Friday night at her Gurus Magazine cover launch event ... and she tells us she thinks her family needs a "big change." But, she's not sure where that will be.

She notes they could move anywhere -- New Jersey, Los Angeles ... or somewhere else in New York. Regardless, she says she's busy searching for potential houses ... and having a blast.

Looks like Santa delivered Lily Allen an early Christmas present -- a new boy toy she can't keep her hands off of!

Check out the lovey dovey pics from the singer's Christmas soiree in London Friday night ... she and rumored beau Jonah Freud were in their own little world as they locked lips for all to see. They have their arms lovingly around one another in several photos, displaying smiles that make their joy impossible to disregard.

And in another snap, Lily appears comforted as she rests her head on Jonah's shoulder. Too cute!

The pair even posed for a photo together later in the evening ... which also gave us a better look at her red-hot fur-lined dress!

Luigi Mangione says he now knows the real reason why Attorney General Pam Bondi is seeking the death penalty against him ... she allegedly has deep ties to the murder victim's health care company.

Mangione's defense attorneys filed court docs Friday night outlining their new claims against Bondi to get the death penalty tossed from the federal case. Federal prosecutors charged Mangione with stalking and murder through use of firearm in connection with the 2024 fatal shooting of UnitedHealthCare CEO Brian Thompson.

Bondi then issued a statement directing prosecutors to seek the death penalty. State prosecutors have also charged Mangione with murder and possession of a weapon in a separate case.

In the latest defense filing, Luigi's lawyers claim Bondi was a partner at the lobbying firm Ballard Partners before she became attorney general, and the company lists UnitedHealth Group (UHG) as a client.

As a result, Bondi derives and continues to receive personal and financial benefits from Ballard "in the form of a profit-sharing plan from Ballard's professional association with UHG," according to the court docs.

Simone Biles' dog breeder is receiving a ton of backlash for cropping her new Doberman Pinscher's ears and docking its tail ... telling TMZ Sports he's gotten death threats over something he says is "common practice."

We spoke with the owner of Regal Empire Dobermans after fans and PETA slammed Biles and her husband, Jonathan Owens, for buying a puppy that underwent the procedures.

William Regal is also dealing with the blowback ... telling us people have made seriously menacing comments toward him, and have attempted to have his company shut down.

Days after Isaiah Rider said he was prepared to go to court to deal with a protective order put in place by his wife … TMZ Sports has learned the former NBA hooper was arrested for failure to appear at his court date.

According to court documents we obtained, Isaiah was not present at the hearing earlier this week to determine whether the order should remain in effect. The docs say his wife, Vanessa, did attend the hearing ... and the judge signed off on keeping the order in place.

Law enforcement in Arizona says the no-show landed the former NBA star in cuffs, telling us, "An individual named Isaiah Rider was arrested earlier today on a warrant for failing to appear at a court hearing on December 15."

"He was booked and processed at the Gilbert-Chandler Unified Holding Facility."

Isaiah's attorney, Benjamin Taylor, told us his client is not going to comment further on the matter ... but the former Laker previously told us he believes his ex is only going through with the protective order because he is moving forward with their divorce.

Hugh Jackman is a Bondi Beach local when he's back home in Australia, which is why the terror attack at the famous gathering spot has him reeling.

We got the movie star at LAX on Friday, and our photog asked Hugh how he's processing the tragic events at a place he holds near and dear to his heart.

Hugh says the whole thing is just devastating ... and not just for him, but for countless others who were affected by the mass shooting and its aftermath.

The internet is still buzzing about whether or not Drake and Kendrick Lamar's iconic rap battle hurt the culture overall but Top Dawg Entertainment President, Terrence "Punch" Henderson is simply chalking it up to the circle of hip hop life!!!

The Top Dawg Entertainment President addressed the state of rap with TMZ Hip Hop at his label's 12th annual Christmas charity concert that boosted big names such as Kendrick Lamar, SZA, Dr. Dre, and Snoop Dogg!!!

A lot has happened within the culture in the past few weeks such as Hot 97 ending its decade-plus running "Ebro in the Morning" show and VIBE Magazine firing the bulk of its staff ... Punch says it's all been a transition period that's changing by the second.

YouTube music stats won't be represented on the Billboard Charts next year after a dispute the streaming giant called an "outdated formula" ...radio and podcast host Bootleg Kev agrees!!!

TMZ Hip Hop linked with Kev at TDE's 12th annual Christmas giveaway ... boosted by appearances from Kendrick Lamar, Dr. Dre, SZA, and more!!!

the Real 92.3 personality tells us Russ was right on the money in his criticism of Billboard refusing to acknowledge YouTube as an equal to DSPs such as Spotify, Apple Music, and more.

Nick Reiner is spending his days in an L.A. jail, dealing with the aftermath of the violent murders of his parents, and he's not been able to fully process it ... TMZ has learned.

A source with direct knowledge tells TMZ ... Nick is not reeling in grief. Rather, he's "in a fog"  ... in no small part due to his medical condition and the meds he's taking.

Our source goes on to characterize Nick as "calm," "cognizant," and "dazed" -- adding Nick isn't even close to processing what happened.

TMZ broke the story ... Nick had been diagnosed with schizophrenia. In the weeks leading up to the murders, we're told he was out of control. Our sources characterized Nick as "erratic" and "dangerous." As we reported, he was recently treated at an L.A.-based rehab facility that specializes in mental health and substance abuse and was under the care of a psychiatrist.

1:05 PM PT -- Sources close to the couple tell TMZ they have NOT broken up and are just fine.

It's over between Steven Tyler and his longtime girlfriend Aimee Preston ... TMZ has learned the couple has called it quits on their relationship.

Multiple sources with direct knowledge tell us Steven and Aimee have broken up ... though it's unclear when they separated and what led to the split.

Steven hired Aimee as his personal assistant way back in 2012 ... they started dating in 2014 but waited until the 2016 Oscars to go public with their romance, holding hands at Elton John's AIDS Foundation Oscars viewing party.

Nick Reiner was an unsolvable dilemma for his parents ... so says a substance abuse treatment expert.

Nick Mathews -- the founder and CEO of Southern California-based treatment center Stillwater Behavioral Health -- joined us on "TMZ Live," and we asked him about Rob Reiner and Michele Singer Reiner's son, who is charged with their murders.

For Mathews, Nick presented a treatment provider's worst nightmare ... he was diagnosed with schizophrenia, but had been in and out of rehab for years and struggled with substance abuse.

Just listen to Mathews explain all the challenges Nick would present for the rehab centers and doctors tasked with treating him ... there's no quick, easy fix or even a cut-and-dry solution here.

Not part of the Throb Mob yet? Buckle up, ’cause Boy Throb -- the TikTok viral boyband -- will soon have your hearts throbbing too ... but they want to make one thing crystal clear, telling TMZ they’re not satire ... even if the full group hasn’t hit the stage together just yet!

Three of the four Throbbers -- Evan Papier, Anthony Key and Zachary Sobania -- chatted with TMZ Thursday fresh out of a Chase Bank ... where they were trying to score a loan to cover visa costs to get their fourth member, Darshan Magdum, from India to the U.S. Yeah -- that’s one big indicator of just how serious they are.

Their infectious, high-energy hustle to get Darshan -- currently holding it down on Zoom -- over to the States has sent them rocketing to viral fame. And with Grammy dreams already locked in, the guys insist they’re built to last.

Death and taxes are unavoidable, but Britney Spears is trying to get out of making a $600,000 payment to the IRS ... and she says the tax man is grossly mistaken.

According to new legal docs, obtained by TMZ, the IRS sent Britney a Notice of Deficiency for the tax year ending 2021, claiming she owes over $600K.

Britney is disputing the figure ... and she filed her own legal response claiming the IRS miscalculated and that she doesn't actually owe the tax man so much as a dime.

Rob Reiner's and Michele Singer Reiner's bodies have been released from the L.A. County Medical Examiner's custody ... TMZ has learned.

A source with knowledge tells TMZ ... the Reiners' bodies have been released to the family. Details on a service will be released at a later time.

As you know ... Rob and Michele were found dead in their Brentwood home Sunday and their son Nick Reiner has been arrested and charged with their murders.