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Huge stars will be on stage for the upcoming concert to help the thousands of folks who lost it all in the L.A. fires, and some of the headliners have deep L.A. roots.

Sources with direct knowledge tell TMZ, Lady Gaga, Billie Eilish and the Red Hot Chili Peppers will be among the 15 acts that have been booked so far to hit the stage 2 weeks from today.

We're also told the lineup includes Green Day, Jelly Roll and Gracie Abrams.

Fergie "Just Can't Get Enough" of the men and women who've worked tirelessly to battle the ongoing wildfires in the region -- including one blaze that threatened her home.

The pop star met with a bunch of first responders in the wake of the L.A. wildfires ... and offered up her heartfelt gratitude on Instagram for their firefighting efforts.

Fergie made it clear it was an "honor" to mingle with the firefighters outside the Rose Bowl in Pasadena, Calif. ... where agencies including the L.A. County and City fire departments, Cal Fire state personnel, and National Guard troops set up camp to battle the Eaton Fire, one of several infernos plaguing the Greater Los Angeles area, and provide support for affected residents.

Spencer Pratt is one proud husband ... hyping up his wife Heidi after she landed herself a Times Square billboard amid their wildfire tragedy.

As you know, "The Hills" alum has been actively promoting Heidi's 2010 album "Superficial" as a way to bring in some money after their Pacific Palisades home burned to the ground last week during the raging wildfires in L.A.

Fans and celebrity friends have jumped on Spencer's musical bandwagon by constantly streaming the album, resulting in Heidi's music soaring on the charts -- and a coveted billboard in New York City's Times Square.

The Eagles are setting the tone for the upcoming benefit concert for Los Angeles wildfire victims with a massive first donation ... pledging over seven figures.

TMZ has learned ... the famous rock band is donating $2.5 million.

It's unclear if the huge donation means the Eagles are among the acts performing later this month at the FireAid benefit concert.

Beyoncé is putting today's HUGE announcement on ice as the wildfires continue to cut a path of destruction across Los Angeles.

The iconic singer issued a statement on Instagram Monday night, postponing her big reveal to a later date due to the devastation that has claimed the lives of at least 24 Angelenos with dozens still missing and thousands of homes destroyed.

Bey wrote that she's praying for the families who have suffered trauma and loss, hoping they'll be able to heal and rebuild their lives.

Donald Trump's going to be dancing to one of his favorite songs as he celebrates his inauguration ... because the Village People are booked for one of his events!!!

The band just announced they accepted an invitation from President-elect Trump's campaign to participate in some inaugural activities ... including at least one event with Trump himself.

The Village People used to beef with Trump over him using their songs at his rallies, but they changed their tune last year ... admitting Trump is good for business.

The Weeknd is putting his projects on hold, like many others, in light of the devastating L.A. wildfires tearing through the city.

The singer shared the news on IG Monday -- out of respect and concern for the people of Los Angeles County, his January 25 concert at the Rose Bowl has been scrapped.

He also announced the release date of his sixth studio album, "Hurry Up Tomorrow," has been pushed back a week, to Jan 31.

Bad Bunny has some powerful politicians in his corner as he continues to celebrate the launch of his new album ... rubbing shoulders with the likes of Rep. Alexandria Ocasio-Cortez and Rep. Nydia Velazquez.

Check it out ... the Puerto Rican performer was cheered on by AOC and several others as he brought a parranda to a local hotspot, Toñita's, in Brooklyn Sunday evening.

Bad Bunny danced and mingled with the local Brooklynites at the club, with the U.S. Congresswoman from New York mere feet away doing the exact same ... proving it was all one hell of a party.

Beyoncé is reminding people to BeyGOOD ... by shelling out a hefty chunk of change through her foundation to support the Los Angeles wildfire relief effort.

The singer's foundation, BeyGOOD, which launched back in 2013, posted on IG Sunday they're "taking action by announcing the LA Fire Relief Fund with a donation of 2.5 million dollars" ... with the specific goal of helping those impacted by the Eaton Fire -- a blaze still burning in the northeast area of L.A.

The foundation noted ... "The fund is earmarked to aid families in the Altadena/Pasadena area who lost their homes, and to churches and community centers to address the immediate needs of those affected by the wildfires."

Hold on God, Sam Moore is coming -- the famed singer, who was half of the legendary soul duo Sam & Dave, has died.

Sam's rep says the Rock and Roll Hall of Famer passed away Friday morning in Coral Gables, FL after suffering post-surgery complications -- although, the rep did not say what kind of surgery Sam had undergone or when.

Sam & Dave -- with singer Dave Prater -- formed in the 60s and dropped a string of iconic hits, including "Soul Man," "Hold On I'm Coming" and "I Thank You." From the start, Sam had quite the pedigree in the music biz.

Ludacris can tell anyone trying to meddle in his snowman game to 'Get Back' ... 'cause the guy's clearly an expert -- whipping up a Frosty out in the snow with his kiddos.

The rapper-turned-actor shared a series of photos online with his kids in the snow Friday ... posing alongside a little snowman -- complete with a carrot nose, twig arms and even a scarf.

The trio looks pretty proud of their work ... with Luda screaming and shouting while standing behind the family's adorable work of art.

Zach Bryan has had it with the haters since his split from Brianna "Chickenfry" LaPaglia, and he’s not holding back -- it was time to let the trolls have it!

The country singer let loose on IG Thursday, firing back at his critics and calling out the "f***ing weird couch warriors" targeting his friends -- even going as far as to say their behavior was so bizarre, they should be "studied for science."

Zach rebuffed the ridiculous rumors of him juggling 4 different girlfriends in 2 weeks, setting the record straight that he's single and staying that way. He said it's all about his friends right now ... who, according to Zach, are being harassed and receiving death threats online.

Rihanna’s ringing in 2025 with a bang -- and she’s already got hearts racing for Valentine’s Day with her scorching new Savage X Fenty campaign.

The singer served up some serious sultriness in her latest drop of IG pics -- red-hot lace lingerie, a bow and arrow, and enough heat to make Cupid sweat!

Rihanna’s styling is pure fire, rocking that barely-there, see-through bra with matching lace and suspender-style undies.

Peter, Paul and Mary singer Peter Yarrow is dead after a long battle with cancer ... TMZ has confirmed.

Peter died Tuesday at his home on Manhattan's Upper West Side ... according to his publicist, Ken Sunshine, who tells us Peter's cause of death was bladder cancer.

We're told Peter was diagnosed with cancer four years ago, and battled the disease until his death.

A hotel worker accused of delivering drugs to Liam Payne in a soap box shortly before his death in Buenos Aires has turned himself in to police in Argentina after being on the run.

Prosecutors tell TMZ 21-year-old Ezequiel David Pereyra negotiated his surrender through his lawyer Monday evening. Police were informed, went to his house, and arrested him.

He had been on the run since being charged with supplying Liam with narcotics.

Post Malone is getting credit for giving one single mom a "Christmas miracle" ... tipping the unsuspecting server thousands of dollars after crossing paths with her during the holiday.

Here's the skinny ... the rapper stopped by The Railyard Bar in Houston on Christmas Eve, where single mom Renee Brown was working as a bartender.

As Renee told Music Mayhem ... she was having a Blue Christmas, as she was "so sad" to not spend Christmas Eve with her 9-year-old daughter. However, Post Malone rolled in with some friends, including Shaboozey, and drank for a while ... and afterward, the "Sunflower" artist tipped Renee $20,000 -- which she said changed her life at an extremely difficult time.