PHOTO Elvis’ granddaughter Riley Keough is engaged

The King’s daughter’s offspring got new bling!

Actress Riley Keough, the eldest grandchild of Elvis Presley, is engaged to stuntman boyfriend Ben Smith-Peterson.

The news was revealed by Ben via a selfie photo he posted to Facebook that shows Riley giving the ol’ devil horns and rocking a sparkling diamond ring. He captioned the image, “So that happened…” Ben’s friends have been congratulating him on the good news via the post.

Keough and Smith-Peterson met on the set of Mad Max: Fury Road.

Riley Keough and Ben Smith-Peterson / May 2014

Riley is the daughter of Lisa Marie Presley and musician Danny Keough. She made her on-screen debut in the 2010 film The Runaways.

Before her relationship with Ben, Keough dated actor Alex Pettyfer – her costar in Magic Mike.

Riley is set to be Elvis Presley’s first grandchild to wed.

Congrats!