Royal baby: Meet the Royal Family 'superfans'

Royal 'superfans' camped outside St Mary's Hospital in anticipation of the birth of the Duke and Duchess of Cambridge's second child.

Many are wearing clothes featuring the Union Flag and some have brought gifts for the new princess and her brother, Prince George.

But why do they do it?

Annita McVeigh spoke to two 'superfans' who have waited outside the hospital for 11 days.