Christie Brinkley and John Mellencamp announce breakup

NEW YORK -- Christie Brinkley and John Mellencamp have split up after a year of dating.

A spokeswoman for both the model-actress and the popular singer-songwriter cited their careers and the distance between their homes as the reason for the breakup.

Brinkley danced around a question from People magazine regarding the possibility of marrying Mellencamp in an interview last month , saying "John and I are two people that have very full lives."

The 62-year-old Brinkley has been promoting her new line of prosecco and champagne. She put her 20-acre Hamptons estate up for sale for $30 million in June.

Mellencamp, who's 64, is set to head out on tour this fall.

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