The 23-year-old singer appeared to be in high-spirits while she swam in the Caribbean waters. She sported a cutout one-piece for her midday beach adventure.
Later that day, the couple grabbed dinner with pal Nick Jonas. Demi poked fun at Nick for being a third wheel with an adorable set of photos on her Instagram.
“I love these pics so much… Sorry @nickjonas for third wheeling you but your bromance third wheels me too!!!” she posted.
40+ pictures inside of Demi Lovato and Wilmer Valderrama at the beach…