Prince Louis' birthday is a special double celebration with brother Prince George

ok.co.uk:

Today is full of celebrations for the Cambridge family as Prince George and Prince Louis mark two very special occasions. The youngsters, whose parents Prince William and Kate Middleton recently gave tribute to the Queen in celebration of her 96th birthday, will be sharing the spotlight with the double dose of celebrations.

The most exciting event of the day will be Louis’ birthday as the little one turns four. However, the day is also significant for eight year old George as today marks St George’s Day — the patron saint with whom he shares a name.The national day, which marks the anniversary of the death of Saint George, is traditionally celebrated in a variety of events including parades and dancing.

Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK!'s daily newsletter. And as per royal tradition, it’s likely that hands-on mum Kate will have stayed up into the early hours in order to make Louis’ birthday as special as possible.The 40 year old is believed to wait until her children are all tucked up in bed before she begins to make her little ones their very own birthday cakes.

Speaking to Mary Berry on BBC show A Berry Royal Christmas in 2019, the doting mum-of-three revealed the surprising tradition.