Several short films from that year carry very similar names:
Below are the most likely matches based on 1978 cinema records: Sexy Girl (1978) mp4
Jamie Gillis, Juliet Graham, and Catharine Burgess. 2. Sexy Girls (1979) Several short films from that year carry very
If you are looking for a specific high-profile film from that year with a similar title, you may be thinking of: College Girl (1978) - Full cast & crew - IMDb Sexy Schoolgirls (1978): Listed as an adult short on IMDb
(1978): A Danish short film produced by Filmlaboratoriet A-S. Sexy Schoolgirls (1978): Listed as an adult short on IMDb .
While released a year later than requested, this title is the closest literal match. It was directed by Gérard Grégory.
There is no major mainstream film titled "Sexy Girl" released in 1978. The search results suggest that the phrase may refer to several different adult or erotic titles from that year, or a slightly later film with a similar name.