La Belle Noiseuse (1991): Directed by Jacques Rivette. The model is Emmanuelle Beart. Michel Piccoli portrays the artist. The actual art is by Bernard Dufour. Music by Igor Stravinsky.
Basquiat (1996): A Warhol protege died from drugs? (shocked face)
Surviving Picasso (1996): Because I can't talk art without mentioning Picasso. The video below shows some of his more famous pieces. The film focuses more on his personal life.
Frida (2002): A girl gets hit by a bus and becomes one of the more admired artists of the Western world. With Diego Rivera and Leon Trotsky.
Fur: An Imaginary Portrait of Diane Arbus (2006): I totally watched this for the art of photography and not at all for Nicole Kidman.