Mariah Carey Goes Underwear Free In A Sheer White Gown On Romantic Greece Getaway

She's gearing up to walk down the aisle for the third time when she marries billionaire fiance James Packer.

And Mariah Carey, 46, seemed to be getting into the spirit of things as she donned a white kaftan that resembled a wedding gown on a romantic break in Mykonos with her beau on Friday.