Mary-Louise Parker's on-again/off-again romance with Jeffrey Dean Morgan is... off, and in a big way, I'd say. Parker has ended her relationship with her former Weeds costar, just months after they announced their engagement.

A source close to the couple explains to the AP that M-LP and JDM simply have differing lifestyles, but adds that Parker holds Morgan in the highest regard and hopes that they can remain friends. - MWM

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