Riley Keough is engaged to marry movie stuntman Ben Smith-Petersen.

The groom-to-be shared the news with fans via his page on Thursday (14Aug14), when he uploaded a photo of the couple, with actress Keough showing off her ring.

In the accompanying caption, he wrote, "So that happened".

Keough met her beau while working on Mad Max Fury Road in 2012, and a source tells, "They're very serious. They're perfect for each other. Great people".

The 25 year old daughter of Lisa Marie Presley and her ex-husband Danny Keough was previously engaged to wed her Magic Mike co-star Alex Pettyfer in early 2012.

Recent reports suggested she was back in the arms of ex-boyfriend Ryan Cabrera after her split from the actor.

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