90 Day: The Last Resort introduced a new couple in the Tell All with Josh Weinstein revealing he was dating Elizabeth Potthast’s sister, Jaylyn Davis AKA Jenn Potthast, but are they still together after the big reveal? Josh is a 43-year-old man known to 90 Day Fiancé fans as Natalie Mordovtseva’s love interest from 90 Day: The Single Life. Josh is the CEO and co-founder of Preview Models and had an on-and-off relationship with Natalie in several seasons of the spin-off before heading to couples therapy with her.