Ferne McCann looked simply sensational as she shared a before and after of her body after taking part in a 21 day fitness challenge.The former TOWIE star, who is known for her love of fitness, shared a snap of her sculpted physique after sharing the results of her journey. Mother-of-one Ferne, 29, posed in a sports bra and underwear as she flaunted her toned body in the transformation snap.