'It's just a fascination': Meet the royal-obsessed Australian sisters flying to the UK for Prince Harry and Meghan Markle's wedding - even though they haven't got an invite Read more:

These are the Australian sisters will join one hundred thousand people on the streets of London for the upcoming royal wedding after missing out on an invitation.

Judy Routley and Helen Johnson, from Adelaide, haven't let the non-invite stifle their excitement for the event, with the pair saying they have always enjoyed any chance they can to see members of the royal family.

'I've always enjoyed seeing them, seeing what they're doing, and the fashion that they have, when they would come and visit...we'd go down and have a look too, it's just a fascination really,' Mrs Johnson told ABC News.

Judy Routley and Helen Johnson(pictured) have not let the lack of an invitation stifle their excitement for the event though, the pair said they have always enjoyed any chance they can to see members of the royal family

The sisters sent letters to the Prince of Wales, Kensington Palace, the Duchess of Cornwall and Alexander Downer in hopes of securing a formal invitation to the event.

While they heard back from Kensington Palace, they weren't able to get the invitation, however the sisters will be on the streets of London hoping to catch a glimpse of the historical event.

'It's just an experience that not everybody can say ''oh I did that, or I've done that'', and everybody wants a few of those,' Mrs Johnson said.

So avid is their fandom for the royal family they are even prepared to spend the long night before the wedding sleeping out 'on the fence' in order to reserve a good spot.

The sister's mother was the first one to instill love for the royal family into the siblings who said she was 'quite keen' on the royals, a keenness which has been passed on.

Due to that interest the pair are excited to play a small part in the latest royal wedding, managing to put work commitments on hold long enough to travel the 16,254 km from Adelaide to London.

'It'll just be nice, just to soak up the atmosphere, soak up the fun, get involved with everybody around us and just enjoy the day,' Mrs Johnson said.

The royal wedding is scheduled to take place on May 19 this year.