United Kingdom, Sept. 25 -- Joe Jonas was left "really spooked" after getting trapped in the water between two boats while on vacation.

The Jonas Brothers singer and his girlfriend Tatiana Gabriela recently enjoyed a two-night trip on a yacht in Portofino, Italy, with Morgan Stewart and her husband Jordan McGraw, and the two couples had gone out to dinner when the "terrifying" incident occurred.

Appearing on Morgan's self-titled podcast, she and Joe recalled how they "had the best time" out on the vessel, which had its own crew, chef and tender boat, but disaster struck when they decided to stop at a restaurant, with the venue requesting customers use its own transfer boat and staff.

According to Morgan, the restaurant crew came aboard...