Online speculation suggests that Kate Middleton and Prince William are getting ready for the pitter-patter of, not one, but two pairs of tiny feet. Earlier this month, the Duke and Duchess of Cambridge confirmed that they are expecting their second child. The rumour mill has been working in overdrive ever since the announcement and according to Entertainment Wise, there is more than one royal baby on the way. The website claims that Kate, who was recently forced to opt out of her first solo overseas tour due to a bad case of hyperemesis gravidarum (morning sickness), is pregnant with twin girls. The report also suggests that the Queen has asked for the babies to be named Elizabeth and Margaret. Following the news that George, who celebrated his first birthday on July 22nd, is set to be a big brother, bookies wasted no time in accepting bets on the name of the latest addition to the family. According to bookmakers Ladbrokes, James is the hot favourite for the child. If it’s a princess, the leading names so far are Victoria and Elizabeth. William’s parents’ names are also proving a popular bet, with Charles at 10/1 and Diana currently at 12/1. However after the latest baby speculation, punters may start putting bets on each.