ROCKER John Mellencamp must be hell to get along with or awful picky — the Hurts So Good singer is single again after breaking up with blond real estate broker Natasha Barrett following less than six months of dating, sources say.
The 69-year-old I Need a Lover star hooked up with Natasha, 46, right after the crash of his eight-month romance with TV dermatologist Nurse Jamie Sue Sherrill.
Before the skin specialist, the Jack & Diane hitmaker had an on-and-off love-in with Sleepless in Seattle beauty Meg Ryan.
Sources say John, who’s prepping for his Farm Aid fest in Hartford, Conn., and Natasha are “still friendly and still speaking,” but their togetherness “didn’t work out.”
As GLOBE previously reported, John and Meg, 59, were house hunting shortly before they broke…