Just a week after announcing his retirement from the road [1], Elton John hit the stage at the Grammys on Sunday night for a performance of one of his biggest hits, "Tiny Dancer." Because the Grammys are all about unexpected duets, Miley Cyrus [2] took the stage halfway through to add a country-tinged vibe to the second verse, giving the 1971 song an updated sound that we never knew we needed. Seriously, Cyrus gave vocals. Watch their performance above now.