(Photo by Ron Galella, Ltd./Wire Image)NEW YORK CITY - OCTOBER 21: Model Christie Brinkley attends The Walden Woods Project Benefit Concert After Party on October 21, 1991 at the Tavern on the Green in New York City.
(Photo by Ron Galella, Ltd./Wire Image)UNIVERSAL CITY, CA - DECEMBER 9: Model Christie Brinkley attends the Third Annual Billboard Music Awards on December 9, 1992 at Universal Amphitheatre in Universal City, California.
(Photo by Randy Holmes/ABC via Getty Images) JOHN MELLENCAMPJIMMY KIMMEL LIVE - 'Jimmy Kimmel Live' airs every weeknight at p.m.
(Photo by Randy Holmes/ABC via Getty Images) JOHN MELLENCAMP, JIMMY KIMMELHOLLYWOOD, CA - APRIL 27: (L-R) ASCAP President and Chairman Paul Williams, honoree John Mellencamp (recipient of the ASCAP Founders Award), TV personality Tavis Smiley, and ASCAP Executive Vice President, Membership John Titta pose at the 2016 ASCAP Pop Awards at the Dolby Ballroom on April 27, 2016 in Hollywood, California.
Altman & Company Store, 361 Fifth Avenue at 34th Street in New York City.
(Photo by Ron Galella, Ltd./Wire Image)Model Christie Brinkley attends Sony Corporation Celebrates Grand Opening of The Sony Plaza - A New Mega-Entertainment Center on November 9, 1993 at The Sony Plaza, Madison Avenue and 56th Street in New York City.
(Photo by Steven A Henry/Getty Images)Model Christie Brinkley attends the 1990 Scenery-Greenery Celebrity Cocktail Party to Benefit the Montauk Village Association on July 28, 1990 at Montauk Manor in Montauk, Long Island, New York.
(Photo by Ron Galella, Ltd./Wire Image)Model Christie Brinkley attends Cartier Launches the Tank Francaise Watch Collection on May 8, 1996 at the former B.
(Photo by Lester Cohen/Getty Images for ASCAP) Stern suggested that the "Jack & Diane" singer call and make amends with Ryan, but he insisted that he'd already attempted to do so, unsuccessfully. She just doesn't want anything to do with me," Mellencamp said.
"And I can't blame her."WATCH: Christie Brinkley Sports John Mellencamp Shirt at Her Ex-Husband Billy Joel's Concert While it might be too late for him and Ryan, Mellencamp has remained friendly with a few of his former flames.
(Photo by Ron Galella, Ltd./Wire Image)Christie Brinkley during Fourth Annual 'Super Saturday' Benefit held at Nova's Ark Project in Water Mill, New York at Nova's Ark Project in Water Mill, New York, United States.
(Photo by Theo Wargo/Wire Image)NEW YORK - JULY 26: Model Christie Brinkley attends Super Saturday 6, the annual designer sale and family event to benefit the Ovarian Cancer Research Fund at Nova's Ark Project July 26, 2003 in Water Mill, NY.
(Photo by Arnaldo Magnani/Getty Images)NEW YORK - SEPTEMBER 28: Model Christie Brinkley attends the HBA Global 2010 Positively Beautiful Award presentation at the Jacob Javitz Center on September 28, 2010 in New York City.