Alessandra Ambrosio rocks a polka-dot bikini while in St. Barths with her boyfriend Richard Lee

Alessandra Ambrosio showed off her phenomenal figure in a racy aqua blue polka-dot bikini, which displayed her toned midriff, while enjoying some quality time with her boyfriend Richard Lee and son Noah, nine, in St Barts. Stunning: Alessandra Ambrosio showed off her phenomenal figure in a blue polka-dot bikini, which displayed her toned midriff, while enjoying some quality time with her beau Richard Lee and son Noah, nine, in St Barts Trendy: Ambrosio let her wet, light brown locks cascade down her shoulders as she kept her eyes protected against the powerful rays under a pair of classic aviator sunglasses from Paradigm While Noah and his mom shared their own canoe, Lee followed them closely behind as he sported a black baseball cap and matching t-shirt. Her youngest child sat at the front of the boat as he paddled and took in the breathtaking views around the French-speaking Caribbean island Ambrosio let her wet, light brown locks cascade down her shoulders as she kept her eyes protected against the powerful rays under a pair of classic aviator sunglasses from Paradigm. Doting mother: While Noah and his mom shared their own canoe, Lee followed them closely behind as he sported a black baseball cap and matching t-shirt Beach day: Ambrosio let her wet, light brown locks cascade down her shoulders as she kept her eyes protected against the powerful rays under a pair of classic aviator sunglasses Missing from the scene was Alessandra's daughter Anja Mazur, 13. New chapter: The entrepreneur shares her two children with her ex fiancé Jamie Mazur, whom she dated from 2005 to 2018 Traveling the world: The former Victoria's Secret beauty seems to be forever on vacation, hitting the Caribbean island only weeks after her lengthy New Year's break in her native Brazil Going strong: Alessandra is now with Lee.