Pictures of Celebrities in Bikinis

The Ultimate Celebrity Bikini Gallery

Rihanna partied on a boat in Saint-Tropez in a patterned bikini in July 2012.

Let's look back at some of the best celebrity bikini moments of all time! Now that the warmer months are here, we can look forward to more stars like Halle Berry, Jennifer Aniston, and Beyoncé breaking out their two-pieces for fun in the sun. Keep scrolling to see the top shots and, if you can't get enough of stars in swimsuits, be sure to check out how the supermodels rock their two-pieces in our then and now breakdown of the Sports Illustrated covergirls.