Rihanna fantastics “Yellow Bikini” Butt & Ass on her luxury boat in Capri

The 24-year-old wore a yellow floral bikini for her day in the sun, with Willy Wonka-style sunglasses, a bandana and waist-length curls.

She posted pictures of her day on Twitter, posing provocatively as she gazed over her shoulder, and showing fans a picture of her luxurious boat.
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Sultry: Rihanna posted a picture on Twitter of herself on board the boat (Read more and See more Pictures)