The pair trekked through the Himalayas before making their way back to the capital, Thimphu, where the public coronation of the fifth Dragon King, Jigme Khesar Namgyel Wangchuck, was in full swing. “It was such a spectacle, and all of a sudden I hear: ‘Excuse me, are you the Uptown Girl? Every bad thing that a fella can be, that's me." NASHVILLE, TN - FEBRUARY 24: Recording artist John Mellencamp performs onstage during CMT Crossroads: John Mellencamp and Darius Rucker on February 24, 2017 in Nashville, Tennessee.
The 62-year-old model and her boyfriend since last September, 64-year-old musician John Mellencamp, have broken up, their rep confirmed on Tuesday."Both the mileage between their homes and their heavy career demands interfered with their ability to maintain the relationship," a rep for both Brinkley and Mellencamp tells ET.
"They vowed to remain best of friends."A source confirmed to ET in September 2015 that Brinkley and Mellencamp were dating following a sighting of the two on a dinner date at the Bowery Hotel in New York City.
(Photo by Paul Marotta/Getty Images)ST PAUL, MN - JULY 17: John Mellencamp performs at the 2016 Starkey Hearing Foundation 'So the World May Hear' awards gala at the St Paul River Centre on July 17, 2016 in St Paul, Minnesota.
(Photo by Adam Bettcher/Getty Images for Starkey Hearing Foundation)JIMMY KIMMEL LIVE - 'Jimmy Kimmel Live' airs every weeknight at p.m.
The two appeared happy during their latest sighting together in May in Los Angeles, when they held hands during a dinner date at celeb hot spot Craig's."I'm leery of discussing my relationship because I don't want to jinx it," Brinkley, who's been divorced four times, admitted last November during an appearance on Howard Stern's Sirius XM show when asked about possibly marrying Mellencamp.
"And I feel like I was so dragged through the press that I [don't want that again]."...
"I was married to [ex-wife] Elaine [Irwin] for 20 years. "Other than Elaine, of all the girls, [Meg] was fantastic."RELATED: John's other famous ex, Christie Brinkley: American model (and later actress) Christie Brinkley, dressed with a full-length woolen poncho over a turtleneck and trousers, as she carries several books in front of a white background, October 1976.
(Photo by Susan Wood/Getty Images)NEW YORK CITY - AUGUST 30: Model Christie Brinkley attends the press luncheon to announce the launch of her sportswear and swimwear collection with Russ Togs, Inc.
While there seems to be quite a few amicable exes in Hollywood, John Mellencamp says that is not the case for him and former girlfriend Meg Ryan. "She hates me to death."WATCH: Meg Ryan Dismisses Speculation About Her Changing Face -- 'I Love My Age' As to why his ex -- who he dated from 2010 to 2015 -- would have such negative feelings toward him, Mellencamp elaborated, "I think it's because I'm a child. (Photo by Terry Wyatt/Getty Images for CMT)NASHVILLE, TN - FEBRUARY 24: Recording artists John Mellencamp (L) and Darius Rucker (R) pose backstage during CMT Crossroads: John Mellencamp and Darius Rucker on February 24, 2017 in Nashville, Tennessee.
On Wednesday, the 65-year-old musician chatted with Howard Stern on his Sirius XM radio show about his relationship with the 55-year-old actress, which ended more than two years ago. (Photo by Terry Wyatt/Getty Images for CMT)BOSTON, MA - SEPTEMBER 19: John Mellencamp speaks and sings at the PEN/Song Lyrics Awards for Literary Excellence honoring John Prine and Kathleen Brennan & Tom Waits at the John F.