With her ex Nick Cannon taking his time to sign the divorce papers, Mariah Carey has no choice but to cancel her wedding to billionaire fiancé James Packer.

A source exclusively reveals to Life & Style that the "We Belong Together" singer has been forced to called off her extravagant island nuptials planned for this summer.

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"She still wants to marry James, but obviously, she can't," the source says. "Mariah is really pissed off. She had planned such a beautiful wedding, and now she's terrified it's never going to happen."

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The former couple, who were married for six years and have five-year-old twins Moroccan and Monroe together, filed for divorce in December 2014.

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"She's caught in a terrible situation," the source continues. "But Mariah's friends hope that once the divorce is finally done, she and James can tie the knot and put all the tension behind them."

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