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Bora Bora is a no no for Miley Cyrus.

The singer and her fiance, Liam Hemsworth, had planned on honeymooning in Bora Bora, but they apparently canceled their flights and hotel because the "Party in the USA" singer had second thoughts, Us Weekly reported on August 18.

"They had the entire trip planned, but Miley just decided she didn't want to go there anymore," a source told the magazine. "They have yet to pick a new locale."

Another thing they haven't nailed down is a wedding date or location... or even how many people will attend the nuptials.

Miley, Us Weekly's source said, "is still very erratic with her decision-making."

The plan, as of now, is to get married in the fall, but everything seems to be very fluid.

"Miley is pretty adamant about having a small, private ceremony," the source said, "but Liam wants a really big wedding, so I'm sure they'll come to a compromise."

In early August, it seems that wedding planning was "going great," a source said, adding that they had decided on a small wedding.

It's been previously reported that the couple plans to wed in Liam's native Australia, and sources said they planned to marry on a beach. The duo also didn't want to be filing up on wedding gifts.

"Miley and Liam do not want gifts," the source told the mag at the time. "They're going to ask all of their guests to donate to a charity of their choosing."

The wedding back and forth somewhat epitomizes their relationship. The duo met in 2009 after filming "The Last Song" and announced their engagement in 2012. Several months later the couple split.

Last December the couple reunited and have been inseparable since. Shortly after their reconciliation, they got "re-engaged."

The couple has still have yet to officially confirm their re-engagement to the public. At this point, they're probably just happy letting others confirm for them.

Miley's famous father, Billy Ray Cyrus, told E! in May, "Here's what I do know. They're so happy. That's the main thing. Miley and I, we always had this slogan—'If you ain't happy, it ain't working.' Just seeing these -- I still call 'em kids -- these two kids happy, that's all that matters."

"If any of my kids decide that they're gonna have a wedding of any kind, whatever role they want me to play, I'll be there, you know what I mean?" he continued. "They want me to be the butler -- that's fine. Whatever they choose. I might make a good preacher."