Holly Willoughby has shared a heart warming post on Instagram wishing her son, Chester, a happy birthday.The This Morning presenter uploaded a blurry snap as she embraced her now eight year old son in a loving cuddle and wrote a touching message to the birthday boy. Holly captioned the post: "Early morning blurry snuggles with the birthday boy… Happy 8th Birthday Chester…we love you so very much." The picture gave fans a rare glimpse inside the family home as the proud mum-of-three snuggled up to her youngest.