The inspiration for Whitney's timeless ballad 'I Have Nothing' came from an unlikely source.

How living with Elvis Presley inspired Whitney Houston’s classic ‘I Have Nothing’

Elvis and Gladys

Who was Elvis Presley's mother Gladys? The heartbreaking story behind her life and death

From left to right: Lisa Marie Presley with her father Elvis and mother Priscilla, ex-husband Michael Jackson and late son Benjamin Keough

The tragic life of Elvis' daughter: The story of Lisa Marie Presley's father, husband and son

Lisa Marie Presley

Lisa Marie Presley facts: Elvis Presley's daughter's age, husband, children and career revealed

Elvis and Bohemian Rhapsody with Brian May

Brian May says Elvis deserves to be 'portrayed with love' in new biopic

Austin Butler has been cast in the lead role in Baz Luhrmann's upcoming Elvis Presley biopic.

Austin Butler facts: Elvis actor's age, relationships, career, net worth and more revealed

Dolly Parton "cried all night" after rejecting Elvis Presley's bid to sing 'I Will Always Love You'

Dolly Parton "cried all night" after rejecting Elvis Presley's bid to sing 'I Will Always Love You'

Tom Hanks (right) plays Colonel Tom Parker (left) in the Elvis Presley biopic

Who was Colonel Tom Parker? Elvis Presley's manager played by Tom Hanks in new film

Austin Butler as Elvis Presley

Elvis Presley movie: 'Elvis' musical biopic cast, plot, release date and more revealed

Austin Butler as Elvis Presley

Elvis Presley returns to life in magnificent first full trailer for 'Elvis' biopic starring Tom Hanks

1970s love songs

The 20 greatest love songs of the 1970s, ranked

The greatest love songs of all time

The top 50 best love songs of all time, ranked

The 15 greatest wedding first dance songs

The 15 greatest wedding first dance songs

Elvis Presley

Upcoming Elvis Presley movie starring Tom Hanks gets its first teaser trailer

Elvis Presley, Michael Jackson and Gary Barlow

10 really bad songs by brilliant artists, from Michael Jackson to David Bowie

Quincy Jones accused Elvis Presley of being a 'racist' when he met him many years ago

Quincy Jones explains why he would never work with 'racist' Elvis Presley

Bob Dylan covers

10 of the best Bob Dylan covers of all time, from Adele to Simply Red

Dolly Parton was on stage in 1983 when she started telling the audience a story of how she used to do Elvis impressions when she was a child.

When Dolly Parton did an exquisite impression of Elvis Presley as a woman