EXCLUSIVE: Lady Gaga instructed not to talk about politics, Donald Trump during Super Bowl halftime show

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When Lady Gaga hits the Super Bowl stage, at least one subject will be off limits: Politics.

A source close to the halftime show tells ET, "Lady Gaga was told by the NFL that she cannot say anything or bring anything up about the election, or mention Donald Trump."

RELATED: Lady Gaga Shares First Snap From Super Bowl Halftime Show Rehearsal

Gaga's personal opinions on the election have hardly been a mystery. The 30-year-old pop star had been a prominent supporter of Hillary Clinton and was photographed holding a "Love Trumps Hate" sign outside New York's Trump Tower following the election results.

As for a report that Gaga is plotting a potentially dangerous performance, aiming to sing from the roof of Houston's NRG Stadium, ET's source says that speculation about cutting a hole in the roof are inaccurate.

"The roof at NRG Stadium is retractable," they said, "so I'm not sure why they would need to cut a hole in the roof."

See photos from her appearance at the Super Bowl last year:

30 PHOTOS
Lady Gaga National Anthem at Super Bowl 50
See Gallery
Lady Gaga National Anthem at Super Bowl 50
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Maddie Meyer/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Patrick Smith/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Al Bello/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Patrick Smith/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Recording artist Lady Gaga performs the national anthem prior to Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Streeter Lecka/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Patrick Smith/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Recording artist Lady Gaga performs the national anthem prior to Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Sean M. Haffey/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Al Bello/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Maddie Meyer/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Al Bello/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Patrick Smith/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Al Bello/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Recording artist Lady Gaga performs the national anthem prior to Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Sean M. Haffey/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Patrick Smith/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Singer Lady Gaga performs during Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Maddie Meyer/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Recording artist Lady Gaga performs the national anthem prior to Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Streeter Lecka/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
Lady Gaga performs the American National Anthem prior to the start of Super Bowl 50 between the Carolina Panthers and the Denver Broncos at Levi's Stadium in Santa Clara, California, February 7, 2016. / AFP / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Lady Gaga sings the American National Anthem prior to the start of Super Bowl 50 between the Carolina Panthers and the Denver Broncos at Levi's Stadium in Santa Clara, California, February 7, 2016. / AFP / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Christopher Polk/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Matt Cowan/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Lady Gaga sings the National Anthem at Super Bowl 50 at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Matt Cowan/Getty Images)
SANTA CLARA, CA - FEBRUARY 07: Recording artist Lady Gaga performs the national anthem prior to Super Bowl 50 between the Denver Broncos and the Carolina Panthers at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Andy Lyons/Getty Images)
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Regarding the rumors, a representative for the NFL said: "People will have to wait and see what we have in store – we never comment on speculation about the show because there is so much misinformation that surfaces. But we are confident Lady Gaga will put on a tremendous show for fans."

FLASHBACK: Lady Gaga Sparkles With National Anthem Performance During Super Bowl 50

One thing fans should also expect is a special guest performer, though there's no word yet on who that might be.

"She is having a guest join her during a song," ET's source confirms, noting that it's been "tough getting a guest to sign on."

"Two artists said no when they were asked to join her," the source said.

See more photos of Lady Gaga through the years:

22 PHOTOS
Lady Gaga's different looks through the years
See Gallery
Lady Gaga's different looks through the years
HOLLYWOOD, CA - FEBRUARY 22: Lady Gaga performs onstage during the 87th Annual Academy Awards at Dolby Theatre on February 22, 2015 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
NEW YORK, NY - JUNE 18: Contemporary Icon Award Recipient Lady Gaga performs onstage at the Songwriters Hall Of Fame 46th Annual Induction And Awards at Marriott Marquis Hotel on June 18, 2015 in New York City. (Photo by Michael Loccisano/Getty Images for Songwriters Hall Of Fame)
Lady Gaga and Alexander Wang arrives at the 2015 Metropolitan Museum of Art's Costume Institute Gala benefit in honor of the museums latest exhibit China: Through the Looking Glass May 4, 2015 in New York. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
HOLLYWOOD, CA - FEBRUARY 22: Recording artist Lady Gaga attends the 87th Annual Academy Awards at Hollywood & Highland Center on February 22, 2015 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
BERLIN, GERMANY - OCTOBER 08: Siger Lady Gaga visits the NBA Global Games Tour 2014 match between Alba Berlin and San Antonio Spurs at O2 World on October 8, 2014 in Berlin, Germany. (Photo by Boris Streubel/Bongarts/Getty Images)
BRUSSELS, BELGIUM - SEPTEMBER 22: Artists Tony Bennett and Lady Gaga attend a press conference about the album 'cheek to cheek' at City Hall on September 22, 2014 in Brussels, Belgium. (Photo by Mark Renders/Getty Images)
WASHINGTON, DC - DECEMBER 07: Lady Gaga walks the red carpet during the 27th Annual Kennedy Center Honors at John F. Kennedy Center for the Performing Arts on December 7, 2014 in Washington, DC. (Photo by Kris Connor/Getty Images)
NEW YORK, NY - SEPTEMBER 05: Lady Gaga attends Samsung GALAXY At Harper's BAZAAR Celebrates Icons By Carine Roitfeld at The Plaza Hotel on September 5, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Samsung)
US music star Lady Gaga waves upon her arrival at the Narita International airport in Narita, Chiba prefecture on August 12, 2014. Gaga is set to play two nights at the Chiba Marine Stadium in Tokyo on August 13 and 14 before heading to Seoul to perform at the Olympic Stadium on August 16. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)
NEW YORK, NY - MARCH 28: Lady Gaga arrives at Roseland Ballroom on March 28, 2014 in New York City. (Photo by Theo Wargo/Getty Images)
Lady Gaga arrives at the 2014 Vanity Fair Oscar Party on March 2, 2014 in West Hollywood, California. AFP PHOTO/ADRIAN SANCHEZ-GONZALEZ (Photo credit should read ADRIAN SANCHEZ-GONZALEZ/AFP/Getty Images)
LOS ANGELES, CA - JANUARY 24: Singer Lady Gaga attends The 2014 MusiCares Person Of The Year Gala Honoring Carole King at Los Angeles Convention Center on January 24, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LONDON, UNITED KINGDOM - DECEMBER 08: Lady GaGa attends on day 2 of the Capital FM Jingle Bell Ball at 02 Arena on December 8, 2013 in London, England. (Photo by Stuart C. Wilson/Getty Images)
US pop music star Lady Gaga poses for photographers upon her arrival at Narita Airport, outside Tokyo on November 26, 2013. Lady Gaga is in Japan to promote her latest album 'ARTPOP'. AFP PHOTO/Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images)
LOS ANGELES, CA - NOVEMBER 24: Singer Lady Gaga performs onstage during the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
LOS ANGELES, CA - NOVEMBER 24: Singer Lady Gaga attends the 2013 American Music Awards at Nokia Theatre L.A. Live on November 24, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
Lady Gaga arrives for the 2013 Glamour Women of the Year Award at Carnegie Hall November 11, 2013 sponsored by LOréal Paris, to honor courageous and inspiring women who are changing the world. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY CLARY/AFP/Getty Images)
BROOKLYN, NY - NOVEMBER 10: Lady Gaga attends artRave on November 10, 2013 in Brooklyn, New York. (Photo by Bryan Bedder/Getty Images for Benjamin Rollins Caldwell)
NEW YORK, NY - SEPTEMBER 06: Lady Gaga speaks at The Daily Front Row's Fashion Media Awards at Harlow on September 6, 2013 in New York City. (Photo by D Dipasupil/Getty Images for The Daily Front Row)
NEW YORK, NY - AUGUST 19: (EXCLUSIVE COVERAGE. SPECIAL RATES APPLY.) Lady Gaga talks with 'The Morning Mash Up' Live on SiriusXM Hits 1 at SiriusXM Studio on August 19, 2013 in New York City. (Photo by Jamie McCarthy/Getty Images for SiriusXM)
Singer Lady Gaga arrives at Macy'€™s Herald Square in New York on September 14, 2012 to launch her first fragrance, Lady Gaga Fame, released through the singer's own Haus Laboratories in association with Coty. (Photo credit TIMOTHY A. CLARY/AFP/Getty Images)
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Clearly the best (and obvious) choice to join Gaga on stage is Beyonce. Not only is the Super Bowl happening in Bey's hometown of Houston, the pair collaborated on Gaga's "Telephone" back in 2010. Plus, if there's a Super Bowl Halftime Show and Beyonce isn't there to perform, did the Super Bowl Halftime Show even really happen?

Gaga has been working hard to make the performance an unforgettable one. On Monday, the "Million Reasons" singer revealed that she had built a tent in her backyard with a dance floor for rehearsals. See the video below!

-- Reporting by Jennifer Peros.

WATCH: Lady Gaga Builds a Dance Floor in Her Backyard for Super Bowl Rehearsals

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