Bella Hadid Wedgies In St. Barts! ... Still A Smoke Show

4/4/2016 7:20 AM PDT

Bella Hadid channeled her inner Evel Knievel while vacationing in St. Barts ... except she looked flawless in her daredevil outfit.  

The 19-year-old model was seen jumping off a side cliff in the Caribbean ... wearing the hell out of a black one-piece bikini.

Guts and beauty galore.