Prince Harry and Prince Williams are making the most of their trip to Memphis, Tennessee. The royal brothers paid their respects to another king, they visited the home of Elvis Presley, the king of rock & roll.

Harry and Williams visited Graceland ahead of attending their good friend's, Guy Pelly, wedding.

Prince William
Prince Williams and his brother attended a tour of Graceland 

Their private visit of the white columned mansion, which is now a museum and memorial to Elvis, lasted around half an hour and was also attended by 20 guests, who were all stateside to witness Pelly tie the knot.

Even though the 13.8 acre estate was closed to the general public, the Princes still attracted large amounts of attention and one visitor, who was a fellow Brit, spoke to The Mirror about catching a glimpses of the princes.

"It was amazing to see them. We were walking round the grounds admiring the building and suddenly four big black cars swept in and Harry and William got out of them," Susan Timmins, 54, said.

"We couldn't quite believe our eyes. They went into the house and stayed for about half an hour. They wandered outside briefly wearing headphones giving them a commentary of the tour," she continued. "They looked like they were really enjoying it."

Pricilla Presley, the ex-wife of Elvis, took to Twitter to express how thrilled she was to see the two princes visit Graceland.

"So happy Prince William, Prince Harry and the wedding group had a good time on their tour of Graceland," she tweeted.

MORE: Prince Harry And Cressida Bonas Separate After Dating For 2 Years 

Prince Harry
Prince Harry and his brother are in memphis to attend their friends wedding

Guy Pelly, who is a former London club promoter, is marrying Memphian Elizabeth "Lizzy" Wilson, granddaughter of the founder of the Holiday Inn hotel dynasty.

MORE: He's Got Prince William and Harry At His Wedding, But Who Is Guy Pelly? 

What roles will the princes play?