CREATE TABLE table_1590967_6 (musical_guest__song_performed_ VARCHAR, guest_host VARCHAR)

Name the musical guest where guest host is elle macpherson
SELECT musical_guest__song_performed_ FROM table_1590967_6 WHERE guest_host = "Elle Macpherson"
SELECT "musical_guest__song_performed_" FROM "table_1590967_6" WHERE "Elle Macpherson" = "guest_host"