Janet Jackson is not 'romantically involved' with ex Jermaine Dupri, source says

Janet Jackson might be spending time with her ex-boyfriend, Jermaine Dupri, but a source close to the singer tells ET that it's strictly platonic.

After wrapping up her her State of the World tour, the 51-year-old musician was spotted having dinner with the 45-year-old producer at STK Atlanta on Sunday, and according to an eyewitness, they were "cuddled" up to one another and holding hands in the VIP area. While their reunion inevitably sparked speculation that they were rekindling their romance, ET's source says Jackson and Dupri are simply "the best of friends," and it's only natural that she would reconnect with him in his hometown.

"They are close and she’ll always have a warm place for him in her heart," the source continues. "Both Janet and Jermaine are warm people, so it’s not unusual that there would be hugging or hand holding, even in public."

See photos of Janet Jackson:

22 PHOTOS
Janet Jackson out and about
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Janet Jackson out and about
LOS ANGELES, CA - OCTOBER 08: Recording Artist Janet Jackson attends her State Of The World Tour after party at Lure Nightclub on October 8, 2017 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CA - OCTOBER 08: Recording Artist Janet Jackson attends her State Of The World Tour after party at Lure Nightclub on October 8, 2017 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CALIFORNIA - OCTOBER 08: (EXCLUSIVE COVERAGE) Singer-songwriter Janet Jackson attends her Janet Jackson's State Of The World Tour After Party at Lure on October 8, 2017 in Los Angeles, California. (Photo by Greg Doherty/Getty Images)
DUBAI, UNITED ARAB EMIRATES - MARCH 26: Janet Jackson performs after the Dubai World Cup at the Meydan Racecourse on March 26, 2016 in Dubai, United Arab Emirates. (Photo by Francois Nel/Getty Images)
US singer Janet Jackson performs during the Dubai World Cup horse racing event on March 26, 2016 at the Meydan racecourse in the United Arab Emirate of Dubai. Janet Jackson returned to the stage after a four-month hiatus for mysterious health reasons, bringing her energetic dance show to Dubai. / AFP / KARIM SAHIB (Photo credit should read KARIM SAHIB/AFP/Getty Images)
US singer Janet Jackson (R) and husband Wissam Al Mana attend Hermes 2016 Spring/Summer ready-to-wear collection fashion show, on October 5, 2015 in Paris. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/Getty Images)
MIAMI, FL - SEPTEMBER 20: Janet Jackson performs on stage during her 'Unbreakable' World Tour concert at AmericanAirlines Arena on September 20, 2015 in Miami, Florida. (Photo by Alexander Tamargo/Getty Images)
LOS ANGELES, CA - JUNE 28: Janet Jackson speaks onstage during the 2015 BET Awards held at Microsoft Theater on June 28, 2015 in Los Angeles, California. (Photo by Michael Tran/FilmMagic)
LOS ANGELES, CA - JUNE 17: Janet Jackson is seen arriving at LAX on June 17, 2015 in Los Angeles, California. (Photo by HEV/BuzzFoto via Getty Images)
JANET JACKSON amfARs 20th Cinema Against AIDS Gala 66th Cannes Film Festival Antibes, France May 23, 2013 ??Kurt Krieger (Photo by Kurt Krieger/Corbis via Getty Images)
CAP D'ANTIBES, FRANCE - MAY 23: (EXCLUSIVE COVERAGE. HIGHER RATES APPLY) Singer Janet Jackson attends amfAR's 20th Annual Cinema Against AIDS during The 66th Annual Cannes Film Festival at Hotel du Cap-Eden-Roc on May 23, 2013 in Cap d'Antibes, France. (Photo by Dave M. Benett/amfAR13/Getty Images for amfAR)
MILAN, ITALY - FEBRUARY 25: Janet Jackson attends the Giorgio Armani fashion show as part of Milan Fashion Week Womenswear Fall/Winter 2013/14 on February 25, 2014 in Milan, Italy. (Photo by Vittorio Zunino Celotto/Getty Images)
MILAN, ITALY - FEBRUARY 25: Wissam al Mana and Janet Jackson attend the Giorgio Armani fashion show during Milan Fashion Week Womenswear Fall/Winter 2013/14 on February 25, 2013 in Milan, Italy. (Photo by Vittorio Zunino Celotto/Getty Images)
MILAN, ITALY - FEBRUARY 23: Giuseppe Zanotti and Janet Jackson attend the Giuseppe Zanotti Design Presentation during Milan Fashion Week Womenswear Fall/Winter 2013/14 on February 23, 2013 in Milan, Italy. (Photo by Vincenzo Lombardo/Getty Images for Giuseppe Zanotti Design)
MILAN, ITALY - FEBRUARY 23: Wissam al Mana and Janet Jackson attend the Roberto Cavalli fashion show as part of Milan Fashion Week Womenswear Fall/Winter 2013/14 on February 23, 2013 in Milan, Italy. (Photo by Jacopo Raule/Getty Images)
MILAN, ITALY - FEBRUARY 21: Janet Jackson and Wissam al Mana attend the Sergio Rossi presentation cocktail during Milan Fashion Week Womenswear Fall/Winter 2013/14 on February 21, 2013 in Milan, Italy. (Photo by Vincenzo Lombardo/Getty Images for Sergio Rossi)
NEW YORK, NY - FEBRUARY 06: Janet Jackson (L) and Maria Davis speak onstage at the amfAR New York Gala to kick off Fall 2013 Fashion Week at Cipriani Wall Street on February 6, 2013 in New York City. (Photo by Stephen Lovekin/Getty Images for Mercedes-Benz Fashion Week)
LOS ANGELES, CA - SEPTEMBER 08: Janet Jackson attends the Dylan's Candy Bar Los Angeles Opening at Original Farmers Market on September 8, 2012 in Los Angeles, California. (Photo by John Sciulli/WireImage)
MOSCOW, RUSSIA - OCTOBER 25: Wissam Al Mana and Janet Jackson attend Kira Plastinina's fashion show on October 25, 2012 in Moscow, Russia. (Photo by Gennadi Avramenko/Epsilon/Getty Images)
LOS ANGELES, CA - SEPTEMBER 08: CEO/Founder Dylan Lauren and Janet Jackson attend the Dylan's Candy Bar Los Angeles Opening at Original Farmers Market on September 8, 2012 in Los Angeles, California. (Photo by John Sciulli/WireImage)
ANTIBES - MAY 24: Janet Jackson attends the 2012 amfAR's Cinema Against AIDS Gala during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012 in Antibes, France. (Photo by Anthony Harvey/Getty Images)
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According to the source, Jackson and Dupri remained close friends even after their breakup in 2009, and continued to stay in touch when she was married to Wissam Al Mana, whom she split from in April, but is still in the midst of divorce proceedings.

“Janet and Wissam Al Mana’s divorce is not finalized and she would never jeopardize or add fire to what could be a very contentious custody battle” says the source.

Earlier this month, a source close to Jackson told ET that she will take her and Al Mana's son, Eissa, to England for the holidays, where his dad is based. According to the source, Al Mana allowed Jackson to take their son on tour and now he wants him back home with him for the holidays and possibly longer.

“Now that the tour is over they [Jackson and Al Mana] can move forward with their divorce and possibly a very contentious custody battle," the source added. "The couple will be using a mediator for the time being."

ET reached out to Jackson's rep, who had no comment about her recent outing with Dupri.

RELATED: Janet Jackson's style transformation:

40 PHOTOS
Janet Jackson's Style Transformation
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Janet Jackson's Style Transformation
The youngest of the Jackson clan, Janet sits squeezed in between brothers Randy and Michael. 
Young Janet loved plaid! Here she stands with brother Michael at the American Music Awards.
Some of the Jackson Family poses together at the Annual Television Parade of Stars in 1977, with a wee Janet in the front.
Janet poses for a photo shoot featuring "The Jacksons," wearing a cute striped "Good Buddy" sweater.
Jump ahead just five years and Janet looks like a grown up at the 10th Annual American Music Awards in this red tiered strapless ball gown.
Janet and her sister LaToya look like they're attending an '80s prom, but nope -- it's the '85 American Music Awards instead.
We can certainly see a bit of her brother's influence here, with Janet's all-black ensemble and leather gloves.
Janet sure loves that key earring -- here she is dressed in all navy for the presentation of platinum records for her album "Janet Jackson's Rhythm Nation 1814" and two singles.
Janet shows off her bra and abs at the First Annual Billboard Music Awards.
Janet poses with her brother Michael at the Grammy Awards, dressed in a white suit.
The MTV Video Music Awards typically attracted casual attire, but this is taking it to the next level... into ho-down territory.
Janet dressed up a bit more for the 1997 MTV Video Music Awards, wearing a long maxi dress and tight red jacket to match her red curls.
Janet wore a metallic corset to the Source Hip-Hop Music Awards.
We're not sure why this choice was made, but this dress is just plain scary.  There is such thing as "too much leather," and this dress is beyond too much leather!
Janet attended the 28th Annual American Music Awards in this cream silk wide-legged suit.
We think Janet is channeling Britney Spears with this tight sheer dress and pink hat. 
We can see the fashion editors cringing at the 2002 Vanity Fair Oscar Party as Janet rolled in wearing this midriff-baring top and oversized coat.
Janet looked stunning for the 2002 Essence Awards in this silk halter gown.
Comfortable in silk, Janet attended a celebration of her new album "Damita Jo."
Menswear-inspired, bra showing... are we seeing a trend?
Yes, looks like we are.  Janet wore this button down over a black skirt to the 32nd Annual AMAs.
Now that's better! Janet dressed up for the 2005 Vanity Fair Oscars party, and we are sure the fashion editors rejoiced that year.
We'll never understand the skirt-over-pants look (or dark-brown-with-black), but Jermaine Dupri didn't look much better than Janet at the ASCAP Pop Music Awards.
Janet Jackson wore a red Bill Blass gown to the 2006 CFDA Awards.
Janet looked lovely in this simple black dress for the Songs of Hope event.
Menswear-inspired for sure, Janet went for a mid-length dress to match her new haircut at the Billboard Music Awards.
Janet attended the "Why Did I Get Married?" screening in all black with white cuffs.
Janet emphasizes her tiny waist at the 39th NAACP Image Awards.
Janet attends the opening of the Los Angeles Alexander McQueen store, wearing a bright dress made by the designer himself.
Janet stands with Prince Azim in London, wearing boyfriend jeans and a white jacket.
Another menswear-inspired outfit, Jackson attended the Giorgio Armani Fashion Show during Milan Fashion Week.
Janet looked stunning in Alexander McQueen during the premiere of "Why Did I Get Married Too?"
Janet attended the premiere screening of "Why Did I Get Married, Too?" in London, wearing a sheer top.
Janet wore head-to-toe Haider Ackerman to the premiere of "For Colored Girls."
Janet looked stunning as she attended amfAR's Cinema Against AIDS Gala during the 64th Annual Cannes Film Festival in 2011.
Janet visits Jay Leno, wearing a lovely LBD and Christian Louboutins.
Jackson wore this Alexander McQueen jacket to the Marco Glaviano "Supermodels" exhibition opening at the Keszler Gallery in New York City. 
Janet stands with Wissam al Mana in her go-to menswear inspired look with braids in her hair, attending the Giorgio Armani fashion show during Milan Fashion Week.
Janet is seen in an all-white ensemble with lace up heels.
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RELATED CONTENT: 

EXCLUSIVE: Janet Jackson Open to Performing at Super Bowl With Justin Timberlake -- If He Asks, Source Says

EXCLUSIVE: How Janet Jackson Is Celebrating Baby Eissa's First Christmas

Janet Jackson 'Cuddled' With Ex-Boyfriend Jermaine Dupri During Romantic Dinner

 

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