Maroon 5 in talks to perform at Super Bowl, but could Adele also be taking the stage?!

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Super Bowl 50 may just have gotten epic....

Maroon 5 is rumored to be in talks to be featured during the halftime show of the NFL championship game in Santa Clara, California on Feb. 7, 2016 and airing on CBS. What's more, a halftime show source tells ET that Adele is also a big possibility!

"Maroon 5 is just a rumor right now," the source reveals. "They have NOT been booked yet. It wouldn't be a surprise if they perform as part of the show, but they are not the headliner. There are a few performers this year."

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Adam Levine and Maroon 5 through the years
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Maroon 5 in talks to perform at Super Bowl, but could Adele also be taking the stage?!
Lead singer Adam Levine, of the band Maroon 5, signs autographs after their performance on the NBC-TV "Today" program in New York's Rockefeller Center Friday June 18, 2004. (AP Photo/Richard Drew)
Pop group Maroon 5 arrives for the 32nd annual American Music Awards, Sunday, Nov. 14, 2004, at the Shrine Auditorium in Los Angeles. (AP Photo/Chris Pizzello)
Adam Levine, of Maroon 5, performs "Sunday Morning" during the 32nd annual American Music Awards, Sunday, Nov. 14, 2004, at the Shrine Auditorium in Los Angeles. (AP Photo/Mark J. Terrill)
Adame Levine, singer of US group Maroon 5 performs during the ceremony of European MTV music Awards in Rome, Thursday, Nov. 18, 2004. (AP Photo/Andrew Medichini)
U.S. group Maroon 5 pose after winning the 'Best new act' during the MTV Europe Music Awards in Rome, Thursday, Nov. 18, 2004. MTV said the ceremony will air to a potential worldwide audience of more than 1 billion people. It is the second time that Italy hosts the event, after a ceremony staged in Milan in 1998. (AP Photo/Alessandra Tarantino)
Adam Levine, vocalist and guitarist for Maroon 5, listens to the audience as he and his band performs during radio station Z100's Jingle Ball 2004 at New York's Madison Square Garden, Friday Dec. 10, 2004. The concert, which included a variety of musical performers, was sponsored by Z100 and Teen People magazine. (AP Photo/Tina Fineberg)
** FILE ** The group Maroon 5 pose as they arrive for the VH1 Big in '04 awards, in this Dec. 1, 2004 file photo, in Los Angeles. (AP Photo/Mark J. Terrill, File)
Lead vocalist Adam Levine of the group Maroon 5 accepts their award for best new artist at the 47th Annual Grammy Awards on Sunday, Feb. 13, 2005, at the Staples Center in Los Angeles. (AP Photo/Kevork Djansezian)
Music group Maroon 5 poses at Quixote Studios in West Hollywood, Calif., Jan. 27, 2005. From left are Ryan Dusick, Mickey Madden, Adam Levine, Jesse Carmichael and James Valentine. (AP Photo/Stefano Paltera)
Lead singer for the band Maroon 5, Adam Levine performs at the NFL Kickoff Celebration Thursday, Sept. 8, 2005, at the Coliseum in Los Angeles. (AP Photo/Chris Carlson)
Adam Levine, right, and Mickey Madden of Maroon 5 perform during the band's taped segment at the "ReAct Now: Music & Relief" special at Paramount Studios in Los Angeles, Friday, Sept. 9, 2005. The show, which aired on MTV, CMT and VH1 channels, featured live and taped musical performances from a wide variety of artists across the country to raise funds for victims of Hurricane Katrina. (AP Photo/Chris Pizzello)
The group Maroon 5 appears backstage with the award for best pop performance by a duo or group with vocals for "This Love" at the 48th Annual Grammy Awards on Wednesday, Feb. 8, 2006, at the Staples Center in Los Angeles. (AP Photo/Reed Saxon)
Adam Levine of the group Maroon 5 performs in a musical tribute to BMI Icons recipients Crosby, Stills & Nash during the 54th Annual BMI Pop Awards in Beverly Hills, Calif., Tuesday, May 16, 2006. The awards dinner honored the songwriters and publishers of the most performed pop songs of the past 12 months. (AP Photo/Chris Pizzello)
Adam Levine of Maroon 5 greets fans after performing their new single "Makes Me Wonder," at the 20th Annual Kids' Choice Awards in Los Angeles, on Saturday, March 31, 2007. (AP Photo/Kevork Djansezian)
Band members of Maroon 5, from left, Mickey Madden, Jesse Carmichael, Adam Levine, Matt Flynn and James Valentine pose for a photo at The Whisper Lounge in Los Angeles, Wednesday, May 16, 2007. (AP Photo/Damian Dovarganes
Adam Levine, of Maroon 5, performs with the band at the House of Blues in West Hollywood, Calif. on Monday, July 9, 2007. Before the performance the band announced plans for their upcoming "It Won't Be Soon Before Long" World Tour. (AP Photo/Matt Sayles)
Bassist Mickey Madden, left, and lead singer Adam Levine perform with Maroon 5 on NBC's "Today" television program in New York's Rockefeller Center, Friday Aug. 17, 2007. The band has been nominated for an MTV Video Music Award for best group at the Sept.9 VMAs. (AP Photo/Jason DeCrow)
Maroon 5's Adam Levine performs at a LIFEbeat benefit concert at the House of Blues in the Mandalay Bay hotel & casino in Las Vegas on Saturday, Sept. 8, 2007. (AP Photo/Isaac Brekken)
Maroon 5 arrives at the American Music Awards in Los Angeles on Sunday, Nov. 18, 2007. (AP Photo/Matt Sayles)
Lead singer Adam Levine and Maroon 5 performs during a taped appearance on MTV's "Total Request Live" at MTV Studios, Monday, Jan. 14, 2008 in New York. The program will air on Wednesday. (AP Photo/Evan Agostini)
Singers Mary J. Blige and Adam Levine with Maroon 5 perform at the VH1 Pepsi Smash Super Bowl Bash at Jobing.com Arena, Thursday, Jan. 31, 2008 in Glendale, Ariz. (AP Photo/Evan Agostini)
Maroon 5 arrives to the Breeders' Cup Winners Circle gala event sponsored by Grey Goose, held at the Hollywood Palladium, featuring a live performance by Maroon 5 and music spun by DJ Joel Madden in Los Angeles, CA on October 23, 2008 (Dan Steinberg/AP Images for Breeders' Cup)
Maroon 5's Adam Levine performs at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Alex Brandon)
Lead vocalist and guitarist of the American rock band Maroon 5 Adam Levine, left, and James Valentine perform at the Singapore Indoor Stadium as part of their tour in support of their album "Hands All Over" on Monday, April 25, 2011 in Singapore. (AP Photo/Wong Maye-E)
Adam Levine, left, and James Valentine, of music group Maroon 5, accept the award for favorite band during the People's Choice Awards on Wednesday, Jan. 11, 2012 in Los Angeles. (AP Photo/Chris Pizzello)
Mike Love of the band Beach Boys and Adam Levine, right, of the band Maroon 5 speak onstage after performing during the 54th annual Grammy Awards on Sunday, Feb. 12, 2012 in Los Angeles. (AP Photo/Matt Sayles)
Maroon 5 front man Adam Levine performs on NBC's "Today" show on Friday, June 29, 2012 in New York. (Photo by Charles Sykes/Invision/AP)
MIAMI BEACH, FL - JUNE 30: Singer Adam Levine of Maroon 5 performs at the IHeartRadio concert at Fontainebleau Miami Beach on June 30, 2012 in Miami Beach, Florida.(Photo by Jeff Daly/Invision/AP)
Maroon 5 performs at The New Orleans Jazz & Heritage Festival on Friday May 3, 2013 in New Orleans, Louisiana.(Photo by John Davisson/Invision/AP)
From left, Matt Flynn, Mickey Madden, Adam Levine, James Valentine and PJ Morton, of the musical group Maroon 5, arrive at the night that changed America: a Grammy salute to the Beatles, on Monday, Jan. 27, 2014, in Los Angeles. (Photo by Richard Shotwell/Invision/AP)
Adam Levine of Maroon 5 performs on stage at 102.7 KIIS FM's Wango Tango at the StubHub Center on Saturday, May 10, 2014, in Carson, Calif. (Photo by Paul A. Hebert/Invision/AP)
Adam Levine from "Maroon 5" performs on NBC's "Today" show on Wednesday, June 25, 2014 in New York. (Photo by Charles Sykes/Invision/AP)
Adam Levine from the band Maroon 5 performs on NBC's "Today" show on Monday, Sept. 1, 2014 in New York. (Photo by Charles Sykes/Invision/AP)
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MORE: Adele Reveals Cover and Release Date for New '25' Album

With Adele's new album, 25, dropping in November, the timing is right for a big game show.

"Bruno [Mars] was obsessed with having Adele join him two years ago but she wouldn't do it," says the source. "I'm not sure if he has spoken to her yet, but it would make sense since she has an album coming out."

The reason this is a big deal is that ET learned in September that Mars has been asked back to perform for the Super Bowl 50 halftime show, as part of a larger group of performers.

WATCH: Bruno Mars to Perform at Super Bowl 50 Halftime Show

His previous Super Bowl halftime performance is the second most-watched show ever, drawing 115 million viewers, following only Katy Perry's show in 2015.

See photos of Adele:

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Adele
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Maroon 5 in talks to perform at Super Bowl, but could Adele also be taking the stage?!
British singer Adele Adkins holds her MBE for services to music presented to her by the Prince of Wales at Buckingham Palace in London, Thursday, Dec. 19, 2013. (AP Photo/John Stillwell, Pool)
Adele poses with her award for best original song for "Skyfall" at the Governor's Ball following the Oscars at the Dolby Theatre on Sunday Feb. 24, 2013, in Los Angeles. (Photo by Vince Bucci/Invision/AP)
Adele poses backstage with the award for best pop solo performance for "Set Fire to the Rain" at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
Adele poses with the award for best original song in a motion picture for "Skyfall" backstage at the 70th Annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday Jan. 13, 2013, in Beverly Hills, Calif. (Photo by Jordan Strauss/Invision/AP)
Adele performs during the Brit Awards 2012 at the O2 Arena in London, Tuesday, Feb. 21, 2012. (AP Photo/Joel Ryan)
FILE - In this Feb. 21, 2012 file photo, performer Adele arrives for the Brit Awards 2012 at the O2 Arena in London. The 24-year-old British songstress' album "21" has sold more than 10 million copies, according to Nielsen SoundScan. The album reached the milestone the week of Nov. 19, 2012, less than two years after its release. Adele rolled so deep in 2012 that sheâs been voted The Associated Press Entertainer of the Year. (AP Photo/Jonathan Short, File)
FILE - This is a Sunday, Feb. 12, 2012 file photo of Adele as she poses backstage with her six awards at the 54th annual Grammy Awards on Sunday, Feb. 12, 2012 in Los Angeles. Adele won awards for best pop solo performance for "Someone Like You," song of the year, record of the year, and best short form music video for "Rolling in the Deep," and album of the year and best pop vocal album for "21." Adele is getting a new medal to go alongside her Grammys and Academy Award _ an honor from Queen Elizabeth II. The "Rumor Has It" and "Skyfall" singer was named a Member of the Order of the British Empire, or MBE on Friday June 14, 2013 in the queen's annual Birthday Honors list. (AP Photo/Mark J. Terrill, File)
Adele performs at the MTV Video Music Awards on Sunday Aug. 28, 2011, in Los Angeles. (AP Photo/Matt Sayles)
Recording artist Adele poses for a portrait Thursday, Feb. 10, 2011 in New York. (AP Photo/Jeff Christensen)
Adele holds the best female pop vocal performance and best new artist awards backstage at the 51st Annual Grammy Awards on Sunday, Feb. 8, 2009, in Los Angeles.(AP Photo/Matt Sayles)
British singer-songwriter Adele poses for a portrait in West Hollywood, Calif., Monday, Feb. 2, 2009. (AP Photo/Chris Pizzello)
Singer Adele arrives at the Keep a Child Alive annual Black Ball benefit event, Thursday, Nov. 13, 2008, in New York. (AP Photo/Andy Kropa)
Singer Adele photographed in New York on June 14, 2008 (AP Photo/ Jim Cooper)
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Adele's camp had no comment on the Super Bowl rumors, but the singer is officially in full album promotion mode.

MORE: The Top 7 Super Bowl Halftime Moments

In a letter posted to Facebook by the 27-year-old singer, Adele said the new record will be more introspective and less about relationships then her massively successful 23 album.

"My last record was a break-up record and if I had to label this one, I would call it a make-up record," she wrote. "I'm making up with myself. Making up for lost time. Making up for everything I ever did and never did. But I haven't got time to hold on to the crumbs of my past like I used to. What's done is done."

PHOTOS: Bruno Mars Standing Next to Tall People Will Make Your Day

We don't know though... can the Super Bowl HANDLE an Adele halftime show? Let us know what you think!

Meanwhile, don't forget Adele and Lady Gaga were in the studio earlier this year and that's really what we all should be talking about. Watch the video above.

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