The two sis, Paris and Nicky Hilton (great-granddaughters of Conrad Hilton, the dude who started the Hilton hotel chain), hit the shops in Monaco while chillin’ on the French Riviera.

They vibe to some tunes and bust a move on the tender that takes them back to their sick MegaYacht Tatoosh (301 feet long), which they’re borrowing from Paul G. Allen (co-founder of Microsoft).