Rita posted a video on the social site of her jump into the turquoise sea.
She captioned the video: "Summertime madness".
The Hot Right Now singer then posted another video showing the beautiful scenery of Ibiza from the boat.
After jumping into the sea, she shared a snap of her toned body in the studded two-piece and wrote: "I did it! Tryin to be cool and holding my nose at the same time! HA"
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