The engaged couple kept it super comfortable with the 27-year-old entertainer wearing a sports bra.
The day before, Rob was spotted grabbing a bite to eat after hitting the gym solo.
He is gearing up to start working on his upcoming movie The Lost City of Z, which follows British explorer Percy Fawcett as he ventures into the Amazon jungle in search of a fabled civilization.
10+ pictures inside of Robert Pattinson and FKA twigs getting their fitness on… More Here! »