Sia - The Greatest (Official Music Video) - YouTube

http://www.vevo.com/watch/USRV81600544?isrc=USRV81600544&share_location=cms&utm_campaign=siathegreatest&utm_medium=watch&utm_sou

Get ""The Greatest"" featuring Kendrick Lamar now on: iTunes - http://smarturl.it/ThisIsActingDeluxe... Amazon - http://smarturl.it/ThisIsActingDeluxe... Goo...