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More twists and turns than a Melrose Place plot!

Three months after announcing their engagement, Heather Locklear and Jack Wagner have called off their plans to wed.

"Jack and Heather are no longer engaged," Locklear's rep tells Us Weekly.

The veteran soap stars played lovers-turned-spouses Amanda Woodward and Dr. Peter Burns on Melrose Place in the 1990s, and began dating in 2007; they announced their engagement in August of this year.

It would have been the third marriage for Locklear, 50, who was previously wed to rockers Richie Sambora and Tommy Lee.

Bold and the Beautiful star Wagner, 52, divorced first wife Kristina Wagner (his love interest on General Hospital) in 2006.

On Monday night, Locklear walked the red carpet solo at the L.A. premiere for Breaking Dawn -- with her engagement ring conspiculously off.