Bristol Palin, daughter of former Alaska governor and 2008 Republican vice-presidential candidate Sarah Palin, and her fiance, decorated U.S. Marine Dakota Meyer, have called off their wedding, scheduled for Saturday.

"Bristol and Dakota couldn't be more thankful for the love and support of family and friends over the past months while preparing for their wedding," Sarah Palin, 51, posted on Facebook Monday, announcing the cancellation. "Many friends and family still look forward to getting together that day in Kentucky anyway -- and the Palins and Meyers are happily looking forward to still being at 'the old Kentucky home' on May 23 to celebrate life, in general!" Meyer is a native of Columbia, Kentucky.

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"Family members and close friends know they are welcome to share a great bar-b-que on the farm that day," Sarah Palin continued. "All involved, especially Dakota, Bristol and Tripp, and their parents and grandparents, thank supporters for the love they've expressed," Sarah Palin said, referring to her daughter's boyfriend, her daughter and Tripp Johnston, 6, Bristol Palin's son with former fiance Levi Johnston.

Bristol Palin, 24, added a note to her mother's post to address rumors concerning the marital status of Medal of Honor recipient Meyer, 26.

"Regarding salacious headlines in recent days about 'secret wives,' Dakota and I discussed our past relationships prior to our engagement," she wrote. "Dakota was legally divorced years ago, as any good reporter could and should have disclosed to readers. As usual, false stories and dramatically written headlines begging controversy should be disregarded, and we have faith that our privacy will be respected at this time by those with decency. Thank you!"

Palin had announced her and Meyer's engagement on March 14. This would have been her first marriage. She and Johnston had twice ended their engagements, in March 2009 and August 2010.