Elvis' Granddaughter, Riley Keough, Engaged To Alex Pettyfer

Riley Keough, Elvis Presley's granddaughter, is reportedly engaged to actor Alex Pettyfer.

US Weekly reports that Keough and Pettyfer have only been dating for about six months but are now getting ready to walk down the aisle. A source confirmed to US that Keough, 22, and Pettyfer, 21, are engaged.

Neither star has confirmed the engagement but Keough wrote on Twitter: 'I'm very happy in my personal life. Let's leave it at that.'

The two started dating while filming 'Magic Mike,' where Pettyfer plays a male stripper. Keough was apparently smitten with Pettyfer's lap dance skills and the two soon started dating. The newly engaged couple have been spotted together around LA and Keough is reportedly sporting her engagement ring.

According to IMDB, 'Magic Mike,' which will be directed by Steven Soderbergh, is about 'An upstart male stripper is taken under the wing of a more experienced colleagues.'

Pettyfer plays 'the kid' in the movie and will be stripping next to Channing Tatum, Joe Manganiello and Matthew Bomer. Keough plays a character named Zora in the new movie.

Pettyfer has been linked to actresses like Emma Roberts and Dianna Agron and Keough has dated Ryan Cabrera and Jonah Hill in the past.

watch full 'Elvis' .