





There's a big, fat problem on the set of "The Biggest Loser" -- TMZ has learned nearly all of the remaining contestants have walked off the show and are threatening to quit after learning about a secret "twist" that could seriously affect their shot at the $250,000 grand prize.
Multiple sources connected with the show tell us ... the mutiny took place this week ... when the losers got word that producers were considering bringing back previous contestants to compete for the grand prize.
We're told most of the current contestants were pissed -- feeling it was unfair that prior losers would get a second bite at the apple ... so they banded together and decided to protest by walking off the show in the middle of shooting an episode.
Sources tell us ... show honchos have shut down production for at least a week while they figure out how to handle the situation.

Listen to Queen Radioonly on iHeartRadio
(WENN) - Queen rocker Brian May is adamant late legend Freddie Mercury would give singer Adam Lambert the "seal of approval" as the flamboyant star prepares to front the band at an upcoming U.K. festival.
The former American Idol contestant will perform in Mercury's place when Queen headlines the Sonisphere festival in Knebworth, England over the summer.
On Monday, Lambert tweeted:
As many suspected, I can finally confirm: I have been invited by Queen to sing one very special concert! Sonisphere at Knebworth July 7th!
And guitarist May insists the band's iconic star, who passed away in 1991, would be happy with their latest addition.
He says, "Judging by my incoming mail, this decision will make a lot of people very happy. It's a worthy challenge for us, and I'm sure Adam would meet with Freddie's approval! And what better place to revisit, and walk those emotional paths than Knebworth? It will be a rush."
And Lambert admits he can't wait to get on stage with his heroes, adding: "I'm completely in awe of the Queen phenomenon. The thought of sharing the stage for a full set is so beautifully surreal. I'm honored to be able to pay my respects to Freddie's memory. He's a personal hero of mine and I am deeply grateful for the chance to sing such powerful music for fans of this legendary band. I know the evening will be a huge milestone for me, and with the support of Brian, Roger (Taylor, drummer) and the rest of the band I know magic will be on display."
Lambert previously performed with the surviving members of Queen at the MTV European Music Awards in November.
Photo Copyright Getty Images

Listen to Van Halen Radioonly on iHeartRadio
Van Halen started their tour Saturday night in Louisville, Kentucky at the KFC Yum Center, turning in a 22-song set that not only contained the hits and four tracks off the new album, A Different Kind of Truth, but two songs they haven't done in concert since 1979 and 1980 - "Outta Love Again" and "Women in Love."
A review in Louisville's Courier-Journal said, "David Lee Roth bounced around the stage like a big, 57-year-old kid, delivering a performance that was half burlesque, half living-room show-off, and all rock star... But the night belonged to Eddie, who was in peak form. His right hand was like a jackhammer all night as he showed utter command of his instrument, with no apparent ill effects from a 2009 surgery on his left hand."
Backed by a video screen that is 100-feet wide by 31-feet high, they opened with their version of The Kinks' "You Really Got Me" and closed with "Jump" as confetti rained down on the audience. Show number-two is tonight in the Detroit suburb of Auburn Hills, Michigan at The Palace.
Check out Van Halen's opening night set list:
1. "You Really Got Me"
2. "Runnin' With the Devil"
3. "She's the Woman" (new)
4. "Romeo Delight"
5. "Tattoo" (new)
6. "Everybody Wants Some"
7. "Somebody Get Me a Doctor"
8. "China Town" (new)
9. "Mean Street"
10. "Oh, Pretty Woman" Drum solo
11. "Unchained"
12. "The Trouble with Never" (new)
13. "Dance the Night Away"
14. "I'll Wait"
15. "Hot For Teacher"
16. "Women in Love" (first time since 1980)
17. "Outta Love Again" (first time since 1979)
18. "Beautiful Girls"
19. "Ice Cream Man"
20. "Panama" Guitar solo
21. "Ain't Talkin' 'Bout Love"
22. "Jump"
Check video from the show:
Check out Van Halen's performance of "Women in Love":
Photo Copyright Getty Images


WENN) - A museum exhibit dedicated to rocker Bruce Springsteen is set to open in Pennsylvania on Friday.
The "Born in the U.S.A." singer has long been referred to as one of America's most iconic and patriotic stars and now he's set to be honored with a display at The National Constitution Center in Philadelphia.
From Asbury Park to the Promised Land: The Life and Music of Bruce Springsteen will celebrate the musician's long career and feature a variety of memorabilia including hand-written set lists and clothing.
An executive at the centre, David Eisner, tells the Wall Street Journal, "No other artist is as steeped in Americana or has better told the story of the American dream than Bruce Springsteen. He’s the perfect artist for a centre devoted to the robust discussion of American values to feature."
The collection will run until September 3.
Springsteen has musical links to the city - he recorded Streets of Philadelphia, the haunting theme to Tom Hanks and Denzel Washington's hit 1993 movie Philadelphia.
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Mars Inc., the candy giant that makes Snickers bars and M&M's, will stop selling products that have more than 250 calories per serving size as part of a new nutrition initiative, the Chicago Tribune reported Thursday.
That spells the end of the king-size Snickers bar, containing 510 calories -- though the company notes a serving size is only one-third of a bar. A regular-sized Snickers bar has 280 calories.

NEW YORK, Feb. 13 (UPI) -- Kate Upton was revealed as the cover model of the 2012 Sports Illustrated Swimsuit Issue during Monday's taping of "Late Show" in New York.
A billboard featuring the cover image was unveiled on Broadway across from the Ed Sullivan Theater where host David Letterman tapes "Late Show."
Upton and her fellow Sports Illustrated Swimsuit Models Julie Henderson, Jessica Gomes, Ariel Meredith, Alyssa Miller, Chrissy Teigen, Genevieve Morton, Izabel Goulart, Jessica Perez and Irina Shayk presented the "Top 10 Reasons This Year's Sports Illustrated Swimsuit Issue is the Best One Ever" on the broadcast.
