The singer, accompanied by a crew of backup dancers dressed like construction workers, sneaked into Kimmel's house with help from his wife Molly McNearney and performed her hit 2013 single inside his bedroom.
A groggy and confused Kimmel looked on as Cyrus jumped on top of his bed with a sledgehammer and fake rocks alongside someone dressed up as a wrecking ball. Cyrus also accidentally hit Kimmel with the sledgehammer below the belt.
"How many times is this gonna happen?" Kimmel asked Cyrus.