Reality star Lucy Mecklenburgh has given birth to her first child, a baby boy, with fiancé Ryan Thomas.The 28 year old new mum, who recently showed off the incredible nursery she has created for her little boy, and Ryan, 35, made the announcement on Instagram with a black and white photo of their child's little hand wrapped around Lucy's finger. She captioned the snap: "Roman Ravello Thomas," followed by a blue heart emoji.