Butler's portrayal of the King of Rock 'n' Roll in Baz Luhrmann's self-titled film earned him a Golden Globe nomination for Best Actor in a Drama, Motion Picture.
Butler, a native of California, nevertheless sounded remarkably like Elvis when he took the podium to deliver his victory speech.
Fans have noted how much Butler's voice resembles that of Elvis Presley from the beginning of the Elvis press tour at the Cannes film festival last summer.
an alteration from his youthful acting cadence on programmes like The Carrie Diaries and Switched at Birth.
When it was brought up at the red carpet pre-show on E!, Butler objected, saying he couldn't hear it.