According to People, they weren't spotted out together until January 2014.

Keough was engaged once before to "Magic Mike" co-star Alex Pettyfer. Us Weekly says the "I do's" happened in Napa, California.

Elvis' granddaughter has certainly spent some time in business, making her modeling debut in 2004 at only 14.

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First up, the singer's The Complete '60s Albums Collection Volumbe One has been released onto i Tunes.

The set highlights all the LPs Presley recorded between 19 with newly mastered sound for the digital medium.'MANDATORY MENTION OF THE ARTIST UPON PUBLICATION' An Elvis Presley signed photograph, estimated between $100 and $1500, is displayed during a press preview at auction house Bonham's in Hollywood, California, on November 15, 2012, where Charlie Chaplin's iconic bowler hat and cane are to go under the hammer in this weekend as part of an auction which also includes the John Lennon nude drawing of himself and Yoko Ono, part of the Lennon lot estomated between $18,000 and $22,000 , among memorabilia from other artists.

Though Pettyfer has been in a number of movies, most notably "I Am Number Four" and "In Time," some critics allege that his career is still in its infancy- far too young to be settling down in a serious, life-long commitment."This seems like the craziest thing Alex could do," wrote Natalie Zutter for

"His career is just starting to break; to tie himself down seems counter-intuitive when he's in a place where he's still changing so much."The same criticism could also be made for Riley Keough.

(Photo by Andrew Toth/Film Magic)CAP D'ANTIBES, FRANCE - MAY 22: Riley Keough attends amf AR's 21st Cinema Against AIDS Gala, Presented By WORLDVIEW, BOLD FILMS, And BVLGARI at the 67th Annual Cannes Film Festival on May 22, 2014 in Cap d'Antibes, France.

(Photo by Michel Dufour/French Select/Getty Images)NEW YORK, NY - JUNE 17: Actress Riley Keough attends the 2014 Summer Party presented by Coach and Friends Of The Highline at The Highline on June 17, 2014 in New York City. - the Tribeca Film Festival Premiere of ''The Good Doctor'' at the BMCC Tribeca PAC in New York on April 22, 2011. RILEY KEOUGH.(Credit Image: © Mitchell Levy/Globe Photos/ZUMAPRESS.com)Cannes, France. Riley Keough at the Foxcatcher gala screening red carpet at the 67th Cannes Film Festival France.

There is no information about her workout routine and diet plan. She had not eaten sugar until she was 12 years old.

But, after that and now-a-days, Riley indulges into ice-cream and other desserts.

Elvis Presley's granddaughter, Riley Keough, is engaged to Alex Pettyfer after dating for a spectacularly short six months, according to reports.