Hong Kong singer and actor Edison Chen signs autographs on copies of the book "All Gone" during a promotional event for the book in Hong Kong, China, 17 March 2013.

Hong Kong singer and actor Edison Chen, fashion designer and streetwear brand CLOT co-founder Kevin Poon, Michael Dupouy of French creative agency La MJC attend a promotional event for the book "All Gone" in Hong Kong, China, 17 March 2013. Staff members reveal that Edison Chen got sick in Shanghai days ago and he is not restored to health, so he does not receive any interview during the event as he still has fever and an inflamed throat.