Little Mix star Perrie Edwards has revealed that her baby son Axel Oxlade-Chamberlain arrived three weeks early.The 28 year old singer delighted fans after revealing that she and her footballer boyfriend Alex Oxlade-Chamberlain, also 28, welcomed their first child on August 21.Taking to Instagram on Saturday, Perrie shared a glimpse at her newborn's nursery and said that Axel arrived the day after they had set up all the furniture.