Brittany, of course, stuck to a signature white one-piece, while the rest of her posse wore all different colors of the rainbow.
Unlike their usual antics, the group kept their clothes on when hitting the water.
Interestingly enough, the only guys photographed with them were Peter Madrigal and Stassi's boyfriend, Beau Clark.
Just days ago, the "Vanderpump" girls dressed to impress in giant, wedding gowns while clubbing with the bride.
FYI — Jax and Brittany will say "I do" on June 29 at a Kentucky castle.