Diet Advocate

Who Magazine's Annual Half Their Size Issue

It has been a year of eye-catching celebrity transformations. For more on how some of the showbiz world's biggest names have shed their extra kilos—as well as inspiring stories of real-life weight-loss success—see this week's special HALF THEIR SIZE issue of WHO, on sale Dec. 30.

Plus! Free with this week's magazine, your 32-page diet and fitness book, LOSE 5KG FAST. Everything you need to know to get in shape—from a safe detox and diet plan to a seven-day fitness program, the best celeb trainer tips and five easy low-fat recipes to make.

A look inside the luxe vacations of the rich and famous. From the beaches of Cabo, St Barts, Bondi and Byron to the chic ski fields of Aspen, see the international A-list at play this holiday season;

The newly engaged singing star has wedding dresses and a new baby with husband-to-be Jason Trawick on her mind; and