Soak Up the Sun! Rihanna Posts a Sexy Bikini Pic

Rihanna flaunts her toned figure on Instagram! Plus, check out more stars' cute, candid and crazy Twitter photos

Source: http://www.ivillage.com/celebrity-twitter-pictures/1-b-229669?dst=iv%3AiVillage%3Acelebrity-twitter-pictures-229669

Melissa Howard Melissa Joan Hart Melissa Rycroft Melissa Sagemiller Mena Suvari