Rihanna has been appointed as the new face of Vita Coco, which is America's best-selling brand of fresh coconut water, by investor Madonna. 

The Queen of Pop said of Rihanna's signing and endorsement, "Rihanna is a natural fit for the Vita Coco brand and I'm so happy to have her on the team."

Anthony Kiedis is also an advocator of the brand and now that the 'Umbrella' star has joined the team, she will represent it with advertising campaigns and said in an official press release:

"I love Vita Coco! It's real coconut water from hand-picked coconuts, it's delicious and so good for you!"

Watch her live performance of 'California King Bed', which is her latest single, at the ACMAs here: