There are Kate Middleton fans - and then there are this lot.

This group of super-fans are camping outside hospital in anticipation of the birth of the royal baby, mainly so they get a good first glimpse of the tiny prince or princess.

The Duchess of Cambridge has been told her due date is April 25, according to one unconfirmed report.

And with the baby's arrival expected in just days, these die-hard fans don't want to miss the chance to get a good spot outside the Lindo Wing of St Mary's Hospital in Paddington.

Terry Hut, 79

Some supporters have been waiting patiently for as long as two weeks and have gathered with Union Jack flags, balloons and bunting.

Pensioner Terry Hut, 79, is camped out on a bench outside the Lindo Wing with Margaret Tyler, 71, who has one of the world's largest collections of royal memorabilia.

Mr Hut, who has brought "little prince" and "little princess" balloons and banners, told the BBC that he's planning to stay, "until the baby comes out".

He added: "Last time I slept here for 12 days."

Pensioners Terry Hut, 79 and Margaret Tyler 71, set up camp outside St Mary’s Hospital for the birth of the Duchess of Cambridge’s second child

Another fan said: "I was here for eight days last time and I slept on a bench.

"I've come back to see the second part now. The most important thing is it's a healthy baby and it would be nice if it was a girl."

Most fans were there for the birth of Prince George in July 2013 and are just as excited about his little brother or sister. According to bookmakers, if the baby is a girl, Alice is the most popular name choice.

The baby will be fourth in line to the throne.

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Originally published on the Mirror Online.