Andy Warhol was known for his colorful portraits of famous people.

Marilyn Monroe, 1967
Museum of Modern Art, New York City, New York
Jean-Michel Basquiat was known for his portraits, but they were not realistic.

Untitled, 1981
Oil stick, acrylic, and spray enamel on canvas
Crystal Bridges Museum of American Art, Bentonville, Arkansas.
Here’s a photo of the artists together.

Photo-by-Christopher-Makos
Here’s an artwork they made together.

Acrylic and silkscreen on canvas, 81 ⅛ × 183 ½ inches (206 × 466 cm)
© 2012 The Estate of Jean-Michel Basquiat/ADAGP, Paris/ARS, New York;, © 2012 The Andy Warhol Foundation for the Visual Arts, Inc./ARS, New York