Rihanna is quenching her thirst with her latest endorsement. The island gal has been tapped as the new spokeswoman for Vita Coco, the nation’s best-selling coconut water.

The “S&M” singer will be featured in the company’s national advertising campaign launching this summer.

“I love Vita Coco! It’s real coconut water from hand-picked coconuts,” stated RiRi. “It’s delicious and so good for you!”

Rihanna, who is also Nivea’s current brand ambassador, joins Vita Coco’s famous family including Madonna and Red Hot Chili Peppers frontman Anthony Kiedis, both of whom are investors in the company.

“Rihanna is a natural fit for the Vita Coco brand and I’m so happy to have her on the team,”

Said Madonna.