Lisa Marie Presley admits her son looks like Elvis ''without question''.

The 45-year-old singer - who is the daughter of the late rock 'n' roll legend and his ex-wife Priscilla - has agreed Ben Keough, 20, has grown into his grandfather's image.

Asked by The Huffington Post if she saw a resemblance, she replied: ''I think so. Sometimes a lot. It depends how he's fixing himself up. Yeah, without question actually.''

While he may look like the 'Suspicious Minds' musician - who died in 1977 - his mother insisted she wouldn't be forcing him to follow her into the family business.

She said: ''He's doing his own thing right now. I'm going to let him decide when he wants to go out and do what he wants to do.''

The star isn't sure how she'd react if her children went into the industry and were seen in similar performances to Miley Cyrus' controversial show at the MTV Video Music Awards - but she insisted she would ''try to understand'' their reason behind it.

She added: ''With my kids, I would kind of try to understand what that was all about.

''If they could explain it to me in such a way that I would understand, then I would support them, but, again, I always try to be conscious of the message over all to others.''