2012 saw its fair share of celebrities showing off their sexy curves in bikinis at the beach (and one-piece suits as well), but which stars were the sexiest of all?

Some were snapped by the paps, while others discovered the magic of Instagram and shared photos nearly every time they went, minimally clothed for some sun, sand & surf.

Stars like Kim Kardashian and Rihanna seemed to post their sexy shots the most, while supermodel Bar Refaeli shared lots of photos with her fans.

Britney Spears got her bod back to its rockin' old form; while Stephanie Seymour, 44, and Daisy Fuentes, 46, prov...