Cecilia Cheung lost ~10 kg of her post-pregnancy weight in a stunning 15 days!!! When interviewed, she revealed the secret to her weightloss, "It was a difficult process for me! Everyday I had to swim, run and control my diet. I didn't eat any rice or bread at all, and all the dishes I ate were oil-free." wow. all I can say is the hard work paid off. She looks phenomenal!