BAFTA Best Actor winner Austin Butler has said awards season success for his starring role in Elvis is "bittersweet" following the death of Lisa Marie Presley.

Oscar nominee Butler won the BAFTA for Best Actor at London's Royal Festival Hall on Sunday night.

"I want to thank the Presley family, I cannot thank you enough for your love... this means the world to me," he said as he received the award.

Lisa Marie Presley, the only child of Elvis, died last month at the age of 54 and was later laid to rest at her father's Graceland mansion in Memphis, Tennessee.

The shock news came just two days after the singer-songwriter attended the Golden Globe Awards in Los Angeles, where Butler won Best Actor for his role in the Baz Luhrmann-directed biopic.

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In the BAFTA winners' room, Butler, 31, told the PA news agency: "It's been a really unimaginably tragic time.

"Grief is a long process and so my heart and my love is with them always.

"And I feel honoured to have been welcomed into the family. It's a bittersweet time."

The late Lisa Marie Presley

The American actor said he feels "lucky" to have been given the experience of embodying the King of Rock and Roll.

"The feeling of standing on that Nashville stage and looking out and looking down at the jumpsuit that I was wearing and realising there were certain moments where I was seeing the closest thing to what Elvis would have seen... I miss it a lot," he added.

"I miss that experience. I don't miss the terror that I felt every day - but the elation that you feel with that.

Austin Butler as Elvis

"I miss the people that I got to make the film with. They became completely like family to me. I really miss them a lot."

The biopic secured three other wins on the night - Best Casting, Best Costume Design and Best Make-up and Hair.

Source: Press Association

Click here for all the BAFTA winners.