In a climactic scene in A Complete Unknown, Sylvie Russo cries while watching the duo perform, highlighting an important theme of the movie.

In the new film "A Complete Unknown," Elle Fanning portrays Sylvie Russo, a renamed version of Suze Rotolo, Bob Dylan's girlfriend at the time.

The mom and sister of Suze Rotolo — known as Sylvie Russo in “A Complete Unknown” — hated her boyfriend Bob Dylan, and he got revenge on one of them in song lyrics.

So, who is Sylvie Russo based on in A Complete Unknown? Here’s everything to know about Bob Dylan’s real-life ex-girlfriend, Suze Rotolo, and her relationship with the singer.

Midway through the new Bob Dylan biopic A Complete Unknown, Dylan has an angry confrontation with his girlfriend, Sylvia Russo, about why he never makes any reference to his past.

Timothée Chalamet sings Bob Dylan's iconic song "Like a Rolling Stone" in the new "A Complete Unknown" trailer -- watch here.

The film co-stars Elle Fanning as Dylan’s then-girlfriend Sylvie Russo, Edward Norton as Pete Seeger and Boyd Holbrook as Johnny Cash.

In the new film "A Complete Unknown," Elle Fanning portrays Sylvie Russo, a renamed version of Suze Rotolo, Bob Dylan's girlfriend at the time.

Midway through the new Bob Dylan biopic A Complete Unknown, Dylan has an angry confrontation with his girlfriend, Sylvia Russo, about why he never makes any reference to his past. “People make up ...