David Potts proudly showcased his incredible five stone weight loss in a new Instagram post shared on Sunday. The Celebrity Big Brother star, 33, looked amazing as he flaunted his slimmed down legs and trimmer physique in a mirror selfie after working on his fitness for months. In a striking before and after image, David donned a sleek cream blazer as he displayed his body transformation, looking remarkably different to his previous self. Captioning his inspirational post, the reality TV star shared his disbelief at his weight loss after he previously 'steered off track plenty of times' amid his health and fitness journey. He penned:…