Clearly, everything the GRAMMY-winning does is fabulous.
The "Infinity" singer recently gave ET an exclusive tour of the yacht
she's vacationing on this summer, which features two bars, six bedrooms, a Jacuzzi, a gym, a library and a private chef. Her fiance, billionaire businessman James Packer
, also has his own yacht -- the Arctic P, which the seventh largest privately owned vessel in the world.