PARTY CHICK!! Pop Star Katy Perry Rents A GIANT YACHT . . . Invites All Her Friends On It . . . And Starts TWERKING!!!

November 24, 2014: Katy Perry spends the afternoon on Sydney Harbour with her crew on luxury boat in Sydney, Australia. Katy was enjoying the sun in her pink bikini, and when music that she liked came on . . . she started TWERKING over the side of the ship.