The twice-married star divorced husband number two, former childhood friend Rhett DeCamp Hartzog, in 2004 after three years of marriage.
She was previously wed to Paul Qualley—the father of her three children—for 13 years.
But she is ready to marry again, after meeting Geagan, who owns Auto Advantage near MacDowell's home in Asheville, North Carolina.
Geagan tells local newspaper the Asheville Citizen Times, "I can tell you that we are engaged. Obviously I'm very happy."
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