Selena Gomez Rocks Swimsuit on Yacht in Potential Bachelorette Party | TMZ TV

Selena Gomez Rocks Swimsuit on Yacht in Potential Bachelorette Party | TMZ TV

Selena Gomez is south of the border with a bunch of gal pals ... and this has all the looks of a bachelorette party ... because they're living it up on a yacht!