the supermarket giant has unveiled garments for babies being christened .
george at asda has unveiled a budget range of outfits starting from just £ 4 .
in time for the birth of the royal baby - and say its gowns and rompers allow mothers to buy a traditional christening outfit for a fraction of the price .
the range came to fruition on the back of a survey carried out by the supermarket revealing the average amount spent on a christening is now upwards of £ 300 that