Katy Perry : Part of Me is the sixth highest-earning documentary ever in the United States .
It is currently the sixth highest-grossing documentary of all time in the United States and the fourth highest-grossing music concert film of all time , behind Michael Jackson 's This Is It , Justin Bieber : Never Say Never and Hannah Montana & Miley Cyrus : Best of Both Worlds Concert , number one , number two and number three respectively.
Katy Perry-COLON- Part of Me