08:51 PM EDT 08/12/2016
Originally posted 08/11/2016 05:30PM
Though Mellencamp, 64, and Brinkley, 62, exclusively announced their breakup to PEOPLE on Tuesday, citing "the mileage between their homes and their heavy career demands" as the reasoning for their inability to "maintain the relationship," a report alleged on Thursday that the 64-year-old musician's "hell-bent political opinions and redneck ways" as the reason for the split.
Brinkley took to Instagram on Thursday to deny that she broke it off due to differing political viewpoints.
Brinkley began, "While much has been written over the years about me that I simply allow to roll off my back ... I do stand up for my friends when things seem unfair and this is the case here ...."
Christie Brinkley and John Mellencamp Split After a Year of Dating as Rep Says 'They Vow to Remain Best Friends'
Originally posted 08/09/2016 12:40PM
"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 PEOPLE. "They vowed to remain best of friends."
Originally posted 07/07/2016 10:40AM
The model opens up about dark times after her divorce, staying sexy at 62 and finding love with singer John Mellencamp
Originally posted 07/06/2016 04:35PM
These days, Christie Brinkley seems to have it all.
Originally posted 07/06/2016 01:45PM
Take a tour of the supermodel's Hamptons abode
Christie Brinkley on How She Found Love at 62 – and Bonded over Age – with 'Silent Cowboy' John Mellencamp
Originally posted 07/06/2016 08:00AM
When Brinkley first met her boyfriend, singer John Mellencamp, 64, last year, "I thought, 'Oh my gosh, we're really opposites. He's kind of a throwback from another time, like a silent cowboy,' " she recalls. "But then we talked and realized that we do have a lot of shared interests."
Christie Brinkley Lashes Out After Turning the Hose on Woman Who Allegedly Urinated on Her Hamptons Property
Originally posted 07/05/2016 08:00AM
Christie Brinkley celebrated her Independence Day weekend by turning the hose on a reveler who she says was urinating on the beach property at her Hamptons home.
Originally posted 07/02/2016 02:40PM
The iconic supermodel drinks and dishes about her life and loves in the next episode of PEOPLE's List in honor of her new Prosecco line Bellissima.
Chatting with bartenders at N.Y.C. hotspot Dexler's, Brinkley is asked her "favorite" pick up line.
"Will you marry me?" she says with a laugh. "I fell for it four times."
Originally posted 04/14/2016 12:30PM
The model will introduce her Bellissima lines in Las Vegas later this month
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