John Mellencamp and wife, Elaine Irwin-Mellencamp, split after 18 years

mellencamps-getty.jpgAnother celebrity couple bites the dust.

On Dec. 30, John Mellencamp and his wife, model  Elaine Irwin-Mellencamp, announced through a spokesman that they are "calling it a day as a couple." They have been together for 20 years and married for 18 years.
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