Kevin Winter/Getty Images
But before diving into his song and dance with "Into the Woods" star Anna Kendrick, he started the show with a jab at the Oscar's mostly white nominees.
"Today we honor Hollywood's best and whitest. Sorry, brightest," said Harris.
From there, Harris jumped into song and dance highlighting memorable movies like "Back to the Future" and "Indiana Jones."
Kevin Winter/Getty Images
Kevin Winter/Getty Images
Kendrick soon joined him on stage to honor and poke fun at her role as Cinderella in Disney's live-action film.
Kevin Winter/Getty Images
Kevin Winter/Getty Images
Jack Black interrupted the show to awkwardly take the stage and snap a photo of himself before giving the stage back to the two.
Check out the performance below: