The 31-year-old actress can be seen splashing around in the ocean and sunning herself in a sexy two-piece. She's definitely on fire!
Another snap shows the This Is Me, Love Marie book author relaxing in a hammock. She captioned the photo which has nearly 15,000 likes: "Exactly where I should be."
Heart seems to have enjoyed her tropical vacay as she posted more swimsuit photos on her Instagram. You can check out the beachside snaps below to see why her followers are going gaga.