By Niamh Spence Masterchef star Gregg Wallace has shared a heartwarming snap of himself with five-year-old son Sid as they enjoy a father-and-son cuddle. In the snap, dad Gregg can be seen resting his cheek on the top of five year old son Sid’s head as they enjoy a cuddle on the sofa. Sharing the snap to Instagram, Gregg wrote: “me n my little boy Sid”. The touching Instagram picture has struck a chord with fans who have praised the father of two for his love and support for his young autistic son. Fans have flooded the snap with comments as they reveal they’re ‘in tears’ over the sweet family…