The Trouble with Girls (1969)
The Trouble with Girls, the full title of which is The Trouble with Girls (and How to Get Into It), is a 1969 film starring Elvis Presley. It was one of his final acting roles, along with the same year's Change of Habit. It is based on the 1960 novel Chautauqua by Day Keene and Dwight Vincent Babcock.
More at Wikipedia.