Wedding weight loss: 5 reasons why you should avoid crash diets before the big day

Rebel Wilson shows off weight loss in a Givenchy frock at the Back To The Future musical in London

James Argent looks slimmer than ever after 14 stone weight loss as he serenades bride at wedding

Gemma Collins shows off her 3.5st weight loss in Versace bikini as she poses with new rescue donkey