Musicians

Chris Brown is back in court for his battle with his former housekeeper -- who claims she was viciously mauled by a dog outside his L.A. home -- days after drama erupted in the case.

We got the singer as he walked into the courthouse Thursday for day one of his trial against Maria Avila ... he had few words for our photog, but his expressions when she asked him questions provided all the answers.

As TMZ first reported ... the trial was scheduled to start earlier this week, but a mistrial was called because one of the jurors had researched the case, which is against the rules.

Christina Aguilera owned the stage for the grand opening of the Obama Presidential Center, ... putting on a powerhouse performance fit for a former president.

Xtina brought the house down in Chicago on Thursday, with a rousing rendition of "What a Wonderful World," showing off her impressive vocals and stage presence.

She stunned in a glittery, ruched dress as Barack Obama, Michelle, and a bunch of other celebs and political figures hung on her every note.

Rihanna and A$AP Rocky were spotted out in L.A. for the first time since their Beverly Hills home was targeted in a terrifying shooting ... and the superstar couple appeared to be in great spirits.

The singer looked effortlessly stylish in a beige belted coat and matching trousers, while Rocky kept it sharp in a suit Wednesday as the pair stepped out of celebrity hotspot Giorgio Baldi in Santa Monica.

The two looked relaxed and happy as they enjoyed a night out together, putting on a united front months after the frightening ordeal.

BLACKPINK's Jennie can sing AND swing -- the K-pop superstar has been putting in work on her golf game when she's not rocking the stage -- and the results are impressive!!

KPGA Tour pro Jang Jae-geun shared footage of their training on Thursday ... showing off some serious progress over the course of several sessions.

Check out the footage -- the two work through all the techniques in front of a simulator before taking it to a real golf course.

Ariana Grande's concert on her "Eternal Sunshine" tour is bringing out tons of winners ... because a couple of "Victorious" cast members came out to show their love for the star.

The pop star rocked the Kia Forum in Inglewood, California Wednesday night ... and standing in the VIP section were a pair of her former costars on the hit Nickelodeon show ... Elizabeth Gillies and Matt Bennett.

Check out the clip ... the Hollywood Arts High alumni are rocking out to one of Ariana's tracks ... belting out the lyrics along with their longtime pal.

Jelly Roll and Bunnie XO are wasting little time untangling their lives after calling it quits ... 'cause TMZ has learned the former couple is already making progress on dividing up their property and other assets.

Multiple sources with direct knowledge tell TMZ ... the split has been moving smoothly behind the scenes. We're told both sides are focused on making sure each person gets what they deserve, and so far there have been no major disputes over money or property.

In fact, sources tell us Bunnie is already walking away with at least one of the couple's homes as part of the asset division. We're told the process has been amicable so far, with both sides focused on making sure each person gets what they deserve.

Sabrina Carpenter was granted a permanent restraining order against the man who was arrested at her L.A. home … who she claimed returned to her home hours later … TMZ has learned.

A Los Angeles County Superior Court judge ordered 31-year-old William Applegate to stay 100 yards away from the pop star, her sister Sarah and Sarah’s boyfriend, George, for the next 5 years.

William testified at the hearing in opposition to Sabrina’s request for a restraining order, but he apparently failed to sway the judge.

Beatlemania is officially back ... 'cause the actors playing The Beatles have finally been spotted together in character for the first time ... and it's giving all the feels!

Harris Dickinson, Paul Mescal, Joseph Quinn, and Barry Keoghan were photographed filming in Barcelona for Sam Mendes' massive Beatles movie event, marking the first time the new Fab Four have been seen together on set.

They weren't just hanging around ... it looks like they were recreating one of the band's most iconic moments ... a legendary February 1964 stay at Miami Beach's Deauville Hotel.

Lil Jon is opening up about the heartbreaking loss of his son, DJ Young Slade ... telling us how writing his upcoming memoir became part of his healing process.

We got the rapper at LAX Tuesday, and he told us his son's February death came as he was trying to finish his book, "I Only Shout So You Can Hear Me."

Rather than leave the memoir untouched, Lil Jon says he went back and added new sections about navigating grief and processing the devastating loss.

Lil Nas X is giving fans a rare health update ... and by the sounds of it, he's in a much better place after a stint in rehab.

The rapper resurfaced on social media Wednesday and revealed he's spent the last several months focusing on himself .... going to rehab, therapy and working with a psychiatrist.

Nas also opened up about his bipolar diagnosis ... joking that being bipolar, Black and gay felt like God handed him a particularly challenging set of cards.

A producer who was invited on the doomed helicopter flight that killed Oliver Tree and five others in Brazil says he narrowly escaped tragedy after backing out at the last minute.

Victor Wao revealed on Instagram he was originally supposed to be on the flight Sunday, but his friend, Argentine producer Lucas Vignale, kindly arranged a car ride for him due to his fear of flying ... The New York Post reports.

The change saved Victor's life ... because all six people aboard the helicopter died after it collided with another chopper mid-air in Rio de Janeiro. The others who died were Lucas, YouTuber Gaspi, Lucas Brito Chaves and the pilots of both crafts, Alexandre Souza and Charles Marsillac.

The airships burst into flames and crashed into an electric vehicle yard ... and footage shows first responders surrounding one of the mangled choppers.

Olivia Wilde is looking back on her romance with Harry Styles ... and despite all the outside noise, she's got nothing but fond memories.

Olivia reflected on her time with Harry during an appearance on "Call Her Daddy," describing their nearly two-year relationship as "sweet," "beautiful," "domestic," "kind," and "lovely" ... making it pretty clear there's no bad blood on her end.

Olivia explained how she and Harry lived inside their own little bubble during the relationship, saying outside judgment rarely managed to break through ... even though lots of folks had strong opinions on the pairing.

In fact, Olivia said it felt almost miraculous they were able to protect their happiness from all the noise ... especially given the intense scrutiny they faced as a couple.

Oliver Tree's girlfriend is speaking out for the first time since he died in a helicopter crash in Brazil ... and she says folks need to shut up about "any other women that Oliver may have been seeing."

Fiona Chernavskaya hopped on social media Wednesday morning and set some boundaries, saying the last thing she needs right now is gossip about Oliver's love life ... claiming they were monogamous and kept their relationship "very intimate."

She thanked those who have been sending kind words and support ... and encouraged folks to show love to others affected by the tragedy as well.

Jon Bon Jovi is finally ready to rock again -- revealing to PEOPLE he's fully recovered four years after undergoing vocal cord surgery and calling the whole experience a "rebirth."

The rock icon opened up about the long road back, admitting that while the surgery was successful, there was a time when his future as a performer was very much up in the air.

Jon says he spent years working with vocal coaches on retraining his voice ... and can now finally say he's back to full strength.

The recovery took far longer than Jon expected, but neither he nor his band ever lost faith the comeback would happen.

Machine Gun Kelly's Tuesday night concert in Michigan was a washout due to bad weather -- and it ultimately got canceled halfway through his performance!  

The singer hit the stage at the outdoor Pine Knob Music Theatre near Detroit -- and cranked out about 4 songs before the rain and thunder rolled in.

We're told security ushered MGK off stage for his own safety and told the packed crowd to shelter in place under the amphitheater's large overhang or in their cars parked nearby.

Before this cute kid was spinnin' and makin' jams, he was just smising for the camera and growing up in Naperville, Illinois.

This artist went from working in accounting to becoming one of the biggest names in dance music.

He's showcased his skills at Coachella, Lollapalooza, Ultra Music Festival, and more ...